If the height of the barn walls is 8 feet, how
high is the center of the roof from the ground?
(1) 6 ft.
(2) 8 ft.
(3) 11 ft.
(4) 14 ft.

Will mark brainliest. when ∆rst is translated 4 units down, what are the apparent coordinates of t’?

What value of x is in the solution set of –5x – 15 > 10 + 20x?

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.