Gabriella’s car gets 21 miles per gallon, and her gas tank can hold 16.5 gallons of gas. How many miles can Gabriella travel if she uses all of the gas in the gas tank?

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?

Ametal rod is 2/5 meters long. it will be cut into pieces that are each 1/30 meters long. how many pieces will be made from the rod?

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14