Using the formula r=d/t where d is the distance in miles l, r is the rate, and t is the time in hours, at which rate must you travel to cover 213.5 miles in 2.5 hours?

The late fee for library books is $2.00 plus 15¢ each day for a book that is late. if maria’s fee for a late book was $3.20, write and solve a linear equation to find how many days late the book was.

Brent wants to know what is 5 x 1/2

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?