If f(x)= x^2-1 and g(x)=2x-3, what is the domain of (fog)(x)

Using d, e, and f as values on a triangle and d being 60 degrees, what is the value of e and f if d is 60 degrees? also, what do you notice about the values of e and f?

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

What is the expression in factored form? 3x^2 + 18x + 24 a. 3(x+2)(x+4) b. 3(x-2)(x+4) c. 3(x-2)(x-4) d. 3(x+2)(x-4)