The Point Imperial is the highest point of the Grand Canyon and it is 8,800 feet tall. A professional hiker climbed to the top of one of the rims of the Grand Canyon that is 348 feet below Point
Imperial. The hiker threw a rock upward from that rim with an initial velocity of 18 ft per second.
How many seconds will it take the rock hit the ground? Round your answer to the nearest tenth
of a second.

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

What is the point slope form of a line with slope -5 that contains point (2,-1)

There are two major tests of readiness for college: the act and the sat. act scores are reported on a scale from 1 to 36. the distribution of act scores in recent years has been roughly normal with mean µ = 20.9 and standard deviation s = 4.8. sat scores are reported on a scale from 400 to 1600. sat scores have been roughly normal with mean µ = 1026 and standard deviation s = 209. reports on a student's act or sat usually give the percentile as well as the actual score. the percentile is just the cumulative proportion stated as a percent: the percent of all scores that were lower than this one. tanya scores 1260 on the sat. what is her percentile (± 1)?