Pre calculus
cos(sin^-1(4/7))

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?

An equation where variables are used to represent known values—function notation true or false

Why is studying fractions important