Factor out the GCF from each polynomial. a. x³ + 5x² - 22x b.

$$-16y^6 + 28y^4 - 20y³$$

Write each polynomial in standard form. a. 7 - 3x³ + 6x² b. 2y - 3 - 8y²

Discuss two ways that all cells are alike.

Find the GCF of each group of monomials. x²y³ and

$$x³y^5$$

Write the factored form of each trinomial. x² -12x + 27

On March 24, 2015, it was $63^{\circ} \mathrm{F}$ and sunny at the Esperanza Base on the northern tip of Antarctica. On March 25, 2015, several centimeters of rain fell in the Atacama Desert, one of the driest places on Earth. Use these two examples to explain the difference between weather and climate.

Maritza remembers her PIN because it is the product of two consecutive prime numbers that is between 1000 and 1500. What is her PIN?

Simplify each expression. Write the answer in standard form. 3z - 7z² - 5z + 5z² + 2z²

When multiplying, why is the degree of the product different from the degree of the factors?

Write each product in standard form. (2x + 5)(2x - 5)

What is the difference between regional and global climate? Identify whether each description, term, or measurement is related to global climate, regional climate, both, or neither. a. 1 mm average annual precipitation, b. 100 cm average annual precipitation, c. 1200 cm average annual precipitation, d. $15^{\circ} \mathrm{C}$ and sunny, e. average annual temperature of $15^{\circ} \mathrm{C}$, f. average annual temperature of $-18^{\circ} \mathrm{C}$, g. average annual temperature of $34^{\circ} \mathrm{C}$, h. average weather conditions over a specific part of Earth over many years, i. average weather conditions over the entire Earth over many years, j. temperate, k. polar.

Find each product. (2x² - 3x)(-3x² + 4x - 2)

How can you tell whether the graph of a function of form

$$f(x) = ab^x$$

will increase or decrease from left to right?

Explain how you can you tell whether a function of the form f(x) = ax² has a minimum or a maximum value and what that value is.