The area of 4 walls and ceiling of a room is 118m. I the room is 6m long and 5m wide , how high is the room?​

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

Layla answer 21 of the 25 questions on his history test correctly.what decimal represents the fraction of problem he answer incorrectly.

What is the perimeter of an equilateral triangle if each side is (x+3)?