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Questions in Grade College

[Homework Help] The Portuguese set up fortified outposts in or near key cities in order to extract A. goods from local merchants at bargain prices. B. tribute from the local authorities. C. slaves from the local population. D. duties from all merchant ships passing through.

[Homework Help] Simplify the following expression. [tex](4x-8)(4x+8)[/tex] A. [tex]16x^2-16[/tex] B. [tex]16x^2+64x-64[/tex] C. [tex]16x^2-64[/tex] D. [tex]16x^2-64x-64[/tex]

[Homework Help] Enter the correct answer in the box. Consider this expression. [tex]$x^2+x-72$[/tex] Replace the values of [tex]$a$[/tex] and [tex]$b$[/tex] to rewrite the given expression. (x+a)(x+b)

[Homework Help] [tex]\frac{2}{3 x}+\frac{1}{4}=\frac{88}{6 x}-\frac{1}{3}[/tex] a. Write the value or values of the variable that make a denominator zero. [ ] (Use a comma to separate answers as needed.)

[Homework Help] If [tex]p(x)=x^2-1[/tex] and [tex]q(x)=5(x-1)[/tex], which expression is equivalent to [tex](p-q)(x)[/tex] ? A. [tex]5(x-1)-x^2-1[/tex] B. [tex](5 x-1)-\left(x^2-1\right)[/tex] C. [tex]\left(x^2-1\right)-5(x-1)[/tex] D. [tex]\left(x^2-1\right)-5 x-1[/tex]

[Homework Help] Which fraction has the greatest value? A. [$\frac{1}{3}$] B. [$\frac{2}{3}$] C. [$\frac{2}{9}$] D. [$\frac{4}{9}$]

[Homework Help] $65 \overline{)99,521}$

[Homework Help] Which applies the power of a power rule to simplify the expression [tex]$\left(8^{12}\right)^3$[/tex]? A. [tex]$\left(8^{12}\right)^3=8^{12+3}=8^{15}$[/tex] B. [tex]$\left(8^{12}\right)^3=8^{12 \times 3}=8^{36}$[/tex] C. [tex]$\left(8^{12}\right)^3=8^{12+3}=8^4$[/tex] D. [tex]$\left(8^{12}\right)^3=8^{12-3}=8^9$[/tex]

[Homework Help] Has the marrying age of a man changed over the years? The United States Bureau of the Census takes a formal count of everyone in the U.S. every 10 years and has provided the following data that gives the median age of an American man at the time of his first marriage. \begin{tabular}{|l|l|l|l|l|l|l|l|l|l|l|}\hline Year & 1910 & 1920 & 1930 & 1940 & 1950 & 1960 & 1970 & 1980 & 1990 & 2000 \\ \hline Median Age & 25.1 & 24.6 & 24.3 & 24.3 & 22.8 & 22.8 & 23.2 & 24.7 & 26.1 & 26.8 \\ \hline \hline\end{tabular} What does a rate of change of zero mean in this situation? a. The median age of a man at the time of his first marriage is, on the average, constant. b. The median age of a man at the time of his first marriage is, on the average, decreasing. c. The median age of a man at the time of his first marriage is, on the average, increasing. d. The rate of change cannot be zero in this situation.

[Homework Help] Which equation finds the area of a square with a side length of $5 n^4$ units? $\left(5 n^4\right)^2=25 n^8$ square units $\left(5 n^4\right)^2=5 n^8$ square units $5\left(n^4\right)^2=5 n^8$ square units $5\left(n^4\right)^2=10 n^8$ square units