Adiscount store buys a shipment of swing sets at a cost of $210 each. the swing sets will be sold for $609 apiece. what percentage is the mark-up?

Graph the equationy= x+3[tex]y = x + 3[/tex]

If f(x) = 6x – 4, what is f(x) when x = 8? a2 b16 c44 d52

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour.what is the cyclist average rate for the round trip in miles per hour ?