Answer:
10
Step-by-step explanation:
Substitute 1 in place of x and the result is -4.
Again substitute 3 in place of x and the result is 6.
Change=6-(-4)=10
The answers I have gotten are
A- x+y= $25
B- $95
10 because 7 x 3 = 21 and 7 + 3 = 10 so your answer is 10
