Simplify the expression. (9pq^7) ^2

9pq^14

9p^2q^14

9pq^9

81p^2q^14

I'm thinking D but it's too early for me to compute.

How much water does she drink in an hour

You need to solve a system of equations. You decide to use the elimination method. Which of these is not allowed? equation one: 2x - 3y = 12 equation two: - x + 2y = 13 A. Multiply equation 1 by 2 and equation two by 3. Then add the new equations. B.

What is the solution set to this inequality, where x is a real number: - 4x

Is 0.9 repeating a rational or irrational number

For every 12 slices of pizza sold at Ping's Pizza Shop, 3 slices are pepperoni, 4 are sausage, and the rest are cheese. What is the ratio of pepperoni to cheese?

Three times a number minus ten is equal to the sum of twice the same number and five. The equation below represents the situation 3x-10 = 2x+5 What is the value of x?

If Carrie and Cory add on 18% tip to the bill after tax what does their lunch cost in total

What is the classification of the polynomial? - 9y+5

What is n-5 over 2 like how can i solve it?

Simplify the expression x1/9x1/3.