If f(x)=3(x+5)+4/x, what is f(a + 2)? a. 3(f(a)+5)+4/f(a)+2 b. 3(a+7)+4/a+2 c. 3(a+2)+4/a+2

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

Find the area of a parallelogram with base 15 yards and height 21 2/3

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.