Whats the greatest common factor of ...

1. - 60r^2s^2t^2 and 45r^3t^3

2. 32m^2n^3 and 18m^2n^2 and 56m^3n^2

The polynomial 16x + 2 is a

What is the ordered pair of 3x + 2y = 6

describe and correct the error in finding the difference of - 2 and - 5 ... - 2 - (-5) = - 2 + (-5) = - 7

Gary owns a taco truck. He charges $3.49 for a nacho taco and $4.99 for a cool ranch taco. How much does Gary make if 15 nacho tacos and 35 cool ranch tacos were ordered?

Use red and yellow and a ten frame. show both addends. Draw to make a ten then write the new fact

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.