If p(x) = x2 – 1 and (x) = 5(x-1), which expression is equivalent to (p-2)(x)?
5(x - 1) – x2-1
(5x – 1) – (x2 - 1)
(x2 - 1) -5(x - 1)
(x2 - 1) – 5x - 1

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

Can someone me i’m confused. will give brainliest and a whole bunch of points

Aswimming pool is a rectangle with semicircles on the end. the rectangle is 12 meters wide and 30 meters long. the diameter and width of the swimming pool are equal. sketch and label an overhead diagram of the swimming pool. find the area of the swimming pool floor.