The angles in this diagram are complementary. What is the value of x?
(4x)
(2x + 6)

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

At the beginning of the day, stock xyz opened at $6.12. at the end of the day, it closed at $6.88. what is the rate of change of stock xyz? a. 1.17% b. 11.0% c. 12.4% d. 81.5%

To solve the system of equations below, grace isolated the variable y in the first equation and then substituted into the second equation. what was the resulting equation? 3y=12x x^2/4+y^2/9=1