Will give brainliest+100pts pls answer asap Analyze the Error: What is the error in the way the calculation of the slope of the two points is set up and/or solved? Please be specific. You will not get full credit if you simply state what the slope should be. You must describe the error to get points for this problem. (3 points)

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?

Can someone me with this problem . show your work .

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9