Simplify the following.
a)3x a x 2 x b
b) CxC
c) 27 x 5y
d) 3gh? x 4gºh

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.

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

Measure of angles 31 (x+4) (3x+9) me