Questions in Grade High-school

Questions in Grade High-school

[Homework Help] Solve for \( x \). \[ -3x + 8y = 5 \] \[ 6x - 2y = 10 \]

[Homework Help] Which of the following statements about eutrophication is NOT true? A. It is caused by acid rain. B. It is caused by the addition of nutrients to a water system. C. It is most harmful when there is little flow through in the system. D. Phosphorus is the main causal agent. E. Humans are responsible for most eutrophication.

[Homework Help] Multiply the following expressions: 1. [tex](2x^3y^3)(5x^2y^8)[/tex] 2. [tex]9b^3(8b^4)(-b)[/tex] 3. [tex]3y^2(y^2 - 2y + 3)[/tex] 4. [tex](x + 3)(x - 2)[/tex]

[Homework Help] Simplify the polynomial. 1. \(4a^2b + 5 - 6a^3b - 3a^2b + 2a^3b\)

[Homework Help] A circular logo is enlarged to fit the lid of a jar. The new diameter is 50 percent larger than the original. By what percentage has the area of the logo increased?

[Homework Help] Ammonia is released from dead plants by A. denitrifying bacteria. B. nitrogen-fixing bacteria. C. bacteria of decay. D. nitrifying bacteria. E. none of the above.

[Homework Help] The main difference between a taproot system and a fibrous root system is that: a. Taproots can store a lot of food, while fibrous roots do not. b. Taproots absorb water, while fibrous roots do not. c. Fibrous roots can access water sources deep under the ground, while taproots cannot. d. Fibrous roots have an epidermal cell layer, while taproots do not.

[Homework Help] What structure is common to all five kingdoms of living organisms? A. DNA B. Nucleus C. Cell Wall D. Mitochondria

[Homework Help] Which of the following is NOT a part of the setting? A. Time B. Location C. Mood D. Sequence

[Homework Help] If \( f(x) = x^2 - 3 \), where \( x \) is an integer, which of the following could be a value of \( f(x) \)? a. 6 b. 0 c. -6 Explain your answer.