What are the answers for x, y, and z?

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top

If (x + 8) is a factor of f(x), which of the following must be true? both x = –8 and x = 8 are roots of f(x). neither x = –8 nor x = 8 is a root of f(x). f(–8) = 0 f(8) = 0