Johnny must complete 55 hours of community service. She does 5 hours each day. Write a linear equation to represent the hours Yuson has left after x days.

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

The deepest part of the swimming pool is 12 feet deep. the shallowest part of the pool is 3 feet deep. what is the ratio of the deeply of the deepest part of the pool to depth of the shallowest part of a pool?

The diagram shows a cuboid abcdefgh abcd is a square with area 25cm². find the volume of the cuboid.