3 times the sum of x and y plus 5 times the difference of 2x and y

One brand of plastic garbage bags costs $8.99 for 45 bags. A second brand costs $7.75 for 32 bags. If you have a savings coupon for $0.25 for the second brand, which brand will be cheaper per bag?

Solve square root x + 9 - 9 = - 4 show each step

In the sixth grade, 12 out of 27 students have a pet. If there are 162 students, how many would have a pet?

A store has caps on display. Five of the caps are red. There are 4 more blue caps than green caps. There are 3 fewer yellow caps than green caps. If there are 24 caps in all, how many caps are there in each color?

If two fair number cubes are rolled, what is the probability of one number cube having a value greater than 5 and the sum of the two number cubes totaling 7?

What factors determine a plane

Add the complex numbers. (-2-4i) + (-12+7i) = ?

Beth read a total of 12 books over 7 months. If Beth has read 84 books so far, how many months has she been with her book club? Solve using unit rates.

A book store is having a 30% off sale. diary of a wimpy kid books are now $6.30 each. what was the oringal price of the books

A hypotenuse of a right triangle is 52 in. One leg of the triangle is 8in. more than twice the length of the other. What is the perimeter of the triangle?