The depth of a lake is 15.8 meters. By how many meters does the measured depth differ from the actual depth?

Which number line represents the solution set for the inequality -1/2x> 24?

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?

What are two numbers that have a sum of 15