A rectangular prism is 7.8 yards long and 7.4 yards high. Its volume is 461.76 cubic yards. What is the width of the rectangular prism?

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?

In dire need~! describe how to use area models to find the quotient 2/3 divided by 1/5. check your work by also finding the quotient 2/3 divided by 1/5 using numerical operations only.

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