There was a pie-eating contest at the county fair. The 10 contestants were given 2 minutes to eat as many pieces of a pie as they could. The line plot below shows the fraction of a pie each of them ate.
PLEASE ANSWER I NEED AN 100

Driving 75 mph, it takes alicia 2 hours to reach the airport to go on a vacation. it then takes her 4 hours to get to her destination with the jet traveling at a speed of 400 mph. how many miles does alicia travel to get to her destination?

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2