Vector u has its initial point at (15, 22) and its terminal point at (5,-4). Vector v points in a direction opposite that of u, and its magnitude is twice the magnitude of u. What is the component form of V?
OA. v=(-20, 36)
OB. v=(-20, 52)
OC v = (20, 36)
OD. v = (20,52)

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?

What is the distance between the points (2 -3) and (-6 4) on the coordinate plane

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