15 ! a rectangle is 13 yards long and 23 yards wide. what is the area of the rectangle? enter your answer in the box as a fraction in simplest form.

Two numbers have a sum of -19. one number is x. what expression represents the other number?

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?

If mary had 320 toy cars and she gave her friend 50 cars and then she gave her brother 72 more cars how much toy cars would mary have left ● explain with proper details