For what value of a is the equation an identity? a(2x + 3) = 9x + 15 + x

Bradley hikes 12 miles in 3 hours. in relation to bradley’s hike, which statement describes the expression

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

Find the product. type your answer in the space provided. use / for a fraction bar (example: 1/2) and ^ for an exponent (example: x^5). do not put spaces in your answer. (x -1 y 5)^2 · (2xy -2)^5