Twice the sum of two numbers is 72 if one number is 20 then the other number is

Find the half-life (in hours) of a radioactive substance that is reduced by 25 percent in 100 hours.

Why did orgo check hos animal cookies before eating any

Step 1: 1x-21+3=7 step 2: 1x-21=7-3 step 3: 1x-21=4 what would the next step be to solve equation

Ted has a fixed amount of money in his budget for holiday gifts. He decides that his wife and his mother will receive gifts of equal value.

How to factor the trinomial 3 x^{2} + 8 - 3

Is 909,756 divisible by 4?

Tom brouht 3 book total of 150 one book cost 50% more than the other two book what price of the more expensive book

Create your own trinomial that has a gcf and can be factored into two binomials. show factoring out the gcf first from all three terms, then factor the remaining trinomial into two binomials.

Giovanni is at the market, he notices that 7 apples cost $4.55. How much does he pay for 9 apples?

A cube has a volume of 125 cubic millimeters what its the edge of the cube?