Atrapezoid has bases measuring 12 ft and 16 ft and a height of 10 ft. what is the area of the trapezoid? a. 140 sq ft b. 160 sq ft c. 192 sq ft d. 200 sq ft

John bought 5 lemons and used 2 of them for a salad how much did he use for. a salad . he used % of the lemons.

The area of a rectangle is 15+5y square feet. which of the following expressions could be the length of the sides of the rectangle, in feet a. 5 and 3y b. 5 and 3+y c. 5 and 5+y d. 3 and 5+3y

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.