Simplify. Express your answer using positive exponents. 899 to the 6th power
899 to the 5th power

Factor the monomial completely 42a3b3

Solve the equation x/4 - 5= -8 -27 -12 -7 12

Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14