1in reresent 20 feet what is 7/8in and 1/4 in

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

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

What is the simplified form of square root of 400 to the 100th power ?