c is the cost the store pays for the item and 0.85c is 85% price increase the store adds to the item. Which expression is equivalent to c+0.85

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?

Given the following linear function sketch the graph of the function and find the domain and range. ƒ(x) = -5x + 4

How many degrees are there in the central angles in a circle