Solve the system of equations algebraically. show all of your steps. y=x2+2x y=3x+20

Which of the following pairs of functions are inverses of each other? o a. f(x)=x72+8 and 96-9 = 7/x+2) =8 o b. f(x)= 6(x - 2)+3 and g(x) - *#2-3 o c. $4) = 5(2)-3 and 90- 4*: 73 o d. f(x) = 6)-12 and 910 – +12

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?