Arectangular prism is 4 meters long, 5 meters wide, and has a height of 7 meters. what is its surface area?
1.140 m2
2.166 m2
3.84 m2
4.70 m2

What is the slope of the line shown below?

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.