What are the values of a and b

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

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?

Parallelogram efgh is a rectangle. he = 6, and fe = 8. find ge: and find fj: