Mary's scarf is 64 centimeters long. How many millimeters is the length of the scarf?

The length of a rectangular piece of land is 92 yards more than three times its width. the perimeter is 760 yards. find its dimensions.

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?

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?