Perform the indicated operation. Express your answer in simplest form. Show any necessary work. Then answer the question.
-2.48
a) (2 pts)
8
- 12.5
b) (2 pts)
0.25
c) (4 pts) Kevin believes that *** =
= -12.5. Jack believes that = 12.5. Using a complete sentence,
explain who has the correct answer and why

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