What is the estimate sum? round each addend to the nearest 10 thousand before adding

There are 72 South American animals in the Springdale zoo. Thats is more than half the number of African animals in the zoo. Write an equation you could use to find n, the number of animals in the zoo.

Which expression represents 100 divided by an unknown number? a. 100 • p b. 100 : p c. 100 - p d. 100 p

What is the value of the rational expression below when xis equal to 5? 15 - x / x-10

A cook is preparing carrots for a stew. let x represent the number of carrots. he throws to bad ones away. the cook cuts the rest into 7 pieces each. he puts 77 pieces of carrot into the stew. pick a number sentence to represent this. a.

A number is randomly choose between one and 99. What is the probability that the number is not in multiple of nine

How many 40 tens make hundreds

Find the center and radius of circle of x^2+y^=36

A rock, dropped into a well, falls 4 9/10 meters in the first second, and at every next second it falls 9 4/5 meters more than the preceding second.

On Black Friday, everything is 20% off at Best Buy. Which expression best represents how much an item would cost after the discount?

The length of a rectangle is 3x - 5 in and the width is 2x inches what is the area of the rectangle