Classify the expression 7x3 + 2x2 − 9 as a monomial, binomial, trinomial or polynomial.

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

Subscriptions to a popular fashion magazine have gone down by a consistent percentage each year and can be modeled by the function y = 42,000(0.96)t. what does the value 42,000 represent in the function?

What is the equation in slope-intercept form of the linear function represented by the table? y -18 -1 -8 4 2 912 o y=-2x-6 o y=-2x+6 o y=2x-6 o y = 2x+6