Velocity is a rate usually expressed in feet per second or meters per second. how can the units you calculate velocity using the distance a car traveled and the time recorded?

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers