If f(x)=-x+8 and g(x)=x^4,what is (g•f)(2)?

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible

Using elimination, what is -4x+2y=-12 4x+8y=-24

The figure shows the front side of a metal desk in the shape of a trapezoid. what is the area of this trapezoid? 10 ft²16 ft²32 ft²61 ft²