At a store, notebooks are on sale for 78% off the regular price. The cost of a notebook is represented by n. Which of the following expressions DOES represent the sale price
of the notebooks?
0.78n
n -0.22n
n - 0.78n
(1 - 0.22)n

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

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