Part A: Solve -mk - 90> 85 for m. Show your work. Part B: Solve 3c - 5f = 55 for f. Show your work. ​

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

What is the equation of a line passing through (-6,5) and having a slope of 1/3