.. Consider the diagram above. Which of the notations below describe segments that appear in the diagram?

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 multiplys to be 1 but adds up to be 4

Compute the standard deviation of the following set of data to the nearest whole number. 10, 10, 15, 20, 25