A consumer bought a CD for $18.25 and paid with a $20 bill. How much change was there?

The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.

What is the the greatest common factor ?