7 (x+4) 3x + 12 + x - 5

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?

Asporting good store is offering 30 percent off of the original price(x) of football cleats. the discount will be reduced by an another $7 before sales tax.

For a function f(x), a) if f(7) = 22 then f^-1(22) = b) f^-1(f(c)) =