Using the properties of equality to solve the equation -3x - 9 = -21, you would subtract 9 and then multiply by -3 add 9 and then multiply by -3 subtract 9 and then divide by -3 add 9 and then divide by -3

Find the magnitude of the torque about p if an f = 80-lb force is applied as shown. (round your answer to the nearest whole number.) ft-lb

Aswimming pool has an input pump for filling the pool and an output pump for emptying the pool. the input pump can fill the pool in 3 hours, and the output pump can drain the pool in 5 hours. as you go to bed, the pool is full, but a neighbor’s kid turns on the output pump. at midnight, you awake to find the pool half empty. immediately, you turn on the input pump, but you are sleepy and forget to turn off the output pump. at what time will the pool become full?

Pls yall i really need the answer fr fr