What is the answer of simplify 9^2/9^7

Which expression is equivalent to 63.56 + (-81.47) ? A 63.56 - 81.47 B 63.56 + 81.47 C - 63.56 - 81.47 D - 63.56 + 81.47

What is (5) with an exponent of 3

Two sets of equatic expressions are shown below in various forms: Line 1: x2 + 3x + 2 (x + 1) (x + 2) (x + 1.5) 2 - 0.25 Line 2: x2 + 5x + 6 (x + 2) (x + 3) (x + 2.5) 2 + 6.25 Which line contains three equivalent expressions?

Which number is one million times larger than 8.7 x 104? A) 8.7 x 107 B) 8.7 x 108 C) 8.7 x 109 D) 8.7 x 1010

Angie and her sister have $15 to spend on pizza. A medium pizza costs $11.50 plus $0.75 per topping. What is the maximum number of toppings Angie and her sister can get on their pizza?

Mr. Flanders' class sold doughnuts for $1.35 each and Mr. Rodriquez's class sold cartons of milk for $1.08 each together the classes sold 85 items and earned $104.49 for their school.

A calcium ion has 20 protons and 18 electrons. Each proton has a + 1 charge and each electron has a - 1 charge. What is the charge of the calcium ion?

You are under contract to design a storage building with a square base and a volume of 12000 cubic feet. the cost of materials is $4 per square foot for the floor, $18 per square foot for the walls and $6 per square foot for the roof.

1 / 2 y + 2 / 5 = 4 2 / 5

Describe the relationship between the variables. There is no relationship between the variables. As the age increases, the height increases. As the age increases, the height decreases. As the height decreases, the age decreases.