homas has devised a scheme for splitting up the test and training set. For each row from coordinates: Rows for Stanford students have a 50% chance of being placed in the train set and 50% chance of placed in the test set. Rows for Berkeley students have a 80% chance of being placed in the train set and 20% chance of placed in the test set. Given that a row is in the test set, what is the probability that it corresponds to a Stanford student

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?

Rectangle pqrs has length a and width 4b. the x-axis bisects ps and qr what are the coordinates of the vertices

It says factor each expression completely 8y+48