Use substitution to solve this problem
m = -2, n = 4, p = 3, q = -8
2q - p =?​

- 19

Step-by-step explanation:

2q - p ( substitute p = 3, q = - 8 into the expression )

2(- 8) - 3

= - 16 - 3

= - 19

y = 0.77(x)

step-by-step explanation:

the jacket retains this value after 23% cut or retains 77% of original value. plug original 87 jacket price for x and the remaining value should be y.