Simplify the following rational expression.

x2−2x−3x3−x

Two lines parallel to the same plane are parallel to eachother

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.

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show