Answer:7.)A
8.)C
Step-by-step explanation:
Answer:
7. B. 100 miles in 3 hour
8. C. 875 miles in 9 hour
B
(5/2, -7/2)
The midpoint is the average value of each coordinate
(1+4)/2 , (-1-6)/2
a + (-b) = 4 + (-2) = 4 - 2 = 2
