Write the equation of a line that is perpendicular to the line x - 3y = 15 and contains the point (-4, 1).

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?

John bought 2 horses at rs 20000 each

When only separate discreet points are graphed it is called?