Name a geometric solid suggested by a number cube

D + 4=19 work backward to find the variable in the equation

you are biking at a speed of 18 miles per hour, you are 3 miles behind you friend who is biking at speed of 12 miles an hour. Write and solve an equation to find how long it takes you to for you to catch up to your friend.

Y = x2 + 12x + 30 8x - y = 10

You estimate that a baby bird weighs 2 pounds. The actual weight of the baby bird is 1.5 pounds. Find the percent error. Round your answer to the nearest hundredth of a percent.

What is the 100th number in pi

There are 80 red balloons and 20 green balloons each package of balloons. What is the unit rate in red balloons per green balloon? A. 4 B. 20 C. 40 D. 80

If a and b are two rational numbers, which expressions are equivalent to a-b? Mark all that apply. A. a-|-b|, if b>0. B. a+|-b|, if b>0. C. a + (-b), if b>0. D. a-|-b|, if b<0. E. a+|-b|, if b<0. F. a + (-b), if b<0

Mr. Henderson has 2 bouncy ball vending machines. he buys one bag of the 27 millimeter balls and one bag of the 40 millimeter balls. he puts a n equal number of each in the 2 machines. how many bouncy balls does he put in each machine

What is the equivalent ration for 12/30

Morgan mowed 12 lawns in 2 hours. What was her rate of mowing in lawns per hour? Express your answer in simplest form.