amin is using a hose to fill his new pool for the first time. he starts the hose at 10 pm and leaves it running all night. at 6 am he measures the depth and calculates that the pool is four sevenths full. at what time will his new pool be full?

The actual width ( w) of a regulation soccer field is 90 meters (m), and the actual length is 120 meters (m). a coach has drawn a scale model of the field on a blackboard. if the longest side of his drawing is 18 cm, how long is the other side of the drawing( w)?

7x+8y=-18, 4x-9y=-3 solve the system of equations

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?