Lily quinn makes $12.50 an hour. she works 4 hours on monday, 6 hours on tuesday, 9 hours on wednesday, 3 hours on thursday, and 7 hours on friday. what is her gross pay?

Which expression will have the same sum as 3_8 + 1/4?

How can (square root of 25) ^2 be rewritten?

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?