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Questions in Grade College

[Homework Help] Which statement accurately describes the chemical symbol of an element? A. The chemical symbol is always a single letter. B. The chemical symbol always starts with the same letter as the name of the element. C. The chemical symbol always begins with a capital letter. D. The chemical symbol can be shared by more than one element.

[Homework Help] Which of the following is the first step in writing a thank-you message? A. Thank the reader for something specific. B. Make a statement about reselling. C. Draft a goodwill-building comment. D. Address a vague or delayed order.

[Homework Help] Darryl wants to add enough water to 8 gallons of a $10 \%$ bleach solution to make a $5 \%$ bleach solution. Which equation can he use to find $x$, the number of gallons of water he should add? Original (Gallons) Added (Gallons) New (Gallons) Amount of Bleach & 0.8 & 0 & 0.8 Amount of Solution & 8 & $x$ & $8+x$ $\left(\frac{0.8}{8+x}\right)\left(\frac{5}{100}\right)=1$ $\frac{0.8}{8+x}=\frac{5}{100}$ $\frac{0.8}{8+x}=\frac{100}{5}$ $\frac{10}{1} \quad \frac{5}{00}=1$

[Homework Help] What was the primary purpose of the Twenty-Second Amendment and the War Powers Resolution? The primary purpose of the Twenty-Second Amendment and the War Powers Resolution was to _______ the power of Congress and to _______ the power of the president.

[Homework Help] He threw you down, but he could not kill you. As for the handsome young man who appeared, he stands for Lord Shamash, who will rescue you and grant you everything you desire." Based on the excerpt, how will Lord Shamash most likely affect the battle with Humbaba? A. Lord Shamash will help Humbaba defeat Gilgamesh.

[Homework Help] Select the correct answer. One factor of the polynomial [tex]$6 x^3-x^2+8 x+5$[/tex] is [tex]$(2 x+1)$[/tex]. What is the other factor of the polynomial? (Note: Use long division.) A. [tex]$\left(3 x^2+5\right)$[/tex] B. [tex]$\left(3 x^2-2\right)$[/tex] C. [tex]$\left(3 x^2-2 x+5\right)$[/tex] D. [tex]$\left(3 x^2+5 x-2\right)$[/tex]

[Homework Help] Consider the function [tex]f(x)=3 x^2-5 x+2[/tex]. Use it to find [tex]f(4), f(-1)[/tex], and [tex]f(a+3)[/tex]. A. [tex] \begin{array}{l} f(4)=30 \\ f(-1)=10 \\ f(a+3)=3 a^2+13 a+14 \end{array} [/tex] B. [tex] \begin{array}{l} f(4)=126 \\ f(-1)=3 \\ f(a+3)=9 a^2-5 a+14 \end{array} [/tex] C. [tex] \begin{array}{l} f(4)=30 \\ f(-1)=9 \\ f(a+3)=9 a^2-5 a+14 \end{array} [/tex] D. [tex] \begin{array}{l} f(4)=30 \\ f(-1)=-6 \\ f(a+3)=3 a^2+13 a+14 \end{array} [/tex]

[Homework Help] The Taft-Harley Act of 1947 amended the National Labor Relations act to all of the following EXCEPT for what? A. Prohibited the closed shop B. Made all strikes illegal C. Outlawed secondary boycotts D. Made jurisdictional strikes illegal

[Homework Help] Subtract: $-10 b^3-\left(-11 b^3+n\right)$ Your answer should be in simplest terms.

[Homework Help] Solve the problem. The formula [tex]$A=P+P r t$[/tex] represents the value, [tex]$A$[/tex], of an investment of [tex]$P$[/tex] dollars at a yearly simple interest rate, [tex]$r$[/tex], for [tex]$t$[/tex] years. The equation to model the value, [tex]$A$[/tex], of an investment of [tex]$$54$[/tex] at 9.26% for [tex]$t$[/tex] years is given by [tex]$A=54+5 t$[/tex] The equation to model the value, [tex]$A$[/tex], of an investment of [tex]$$84$[/tex] at 2.38% for [tex]$t$[/tex] years is given by [tex]$A=84+2 t .$[/tex] Assuming [tex]$A$[/tex] has the same value, the given equations form a system of two linear equations. Solve this system using an algebraic approach and interpret your answer. a. [tex]$t =5$[/tex] The two investments will reach the same value in 5 years. b. [tex]$t=20$[/tex] The two investments will reach the same value in 20 years. c. [tex]$t =1000$[/tex] The two investments will reach the same value in 1000 years. d. [tex]$t=10$[/tex] The two investments will reach the same value in 10 years.