How Many Miles Is A Race That Is 12 Laps Around A 1/2- Mile Track?

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

One side of a rectangle is 7 feet shorter than seven times the other side. find the length of the shorter side if we also know that the perimeter of the rectangle is 306 feet.