Evaluate the expression
5 • 2^3 / 2^2

Eric drew a scale drawing of a country park. the scale he used was 1 inch = 2.5 yards. the picnic area is 80 yards wide in real life. how wide is the picnic area in the drawing ?

F(x)= 1/x-4, g(x)=4x+1/x a. use composition to prove whether or not the functions are inverses of each other. b. express the domain of the compositions using interval notation.

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36