2. using the diagram below, describe the relationship as parallel, intersecting, or skew.
a) ab and bc
b) ae and bf
c) ef and ad
d) plane abc and plane abf
e) plane aed and plane bfc

Nneeedd 1.find the residual if you know the actual number is 5.2 and the predicted value is 4.8

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?

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