What is the common factor of 9 and 12

Find the perimeter of a square that is 3 3/4 inches on a side. 7 inches 15 inches 12 inches 30 inches

Evaluate 7n^2 for n=3

Marlon and ricky ate a pizza that was divided into eighths. marlon ate 2/8 and ricky ate 2/8 of the oizza. how much pizza did they eat in all? write your sum in the simplest form.

the measurement of an angle is five times less than the measurement of its supplement. what is the measurement of the angle

How to multiply 216 * 39 by showing your work

One third the sum of 12 and a number

There are 15 blue jays and 14 oriels that wish to rest on branches of three older trees each of the trees will have at least 4 blue jays and 2 orieoles however no tree may have more orioles then bluejays in it branches determine the largest number

Add. 18 5/12,8 10/17,23 7/12,28 7/17

How do you solve this problem: 5 (x3) - (-20)

The price of an item has dropped to $46 today yesterday was $115 find the percent decrease