Answer:
Part A) -3, 4 Part C) 12 i think
Step-by-step explanation:
Part A-(3,4)
Part B- 2 units
Part A- (x,y)--->(-x,y)
Find how much she will be paid per mile to make it easier.
.25 * 4 = 1
.90 * 4 = 3.60
Now you know she earns 3.60 per mile, multiply that by 7.
3.60 * 7 = $25.20 total.