Answer:12 mph
Step-by-step explanation:
The answer to the question is c. If you are in multiplying, 8(2)= 16 & 3(3)= 9
Palarell lines has equal slop. so the slope of a line parallel to y = -x + 7 is equal to the slope of y = -x + 7 = -1.
Since the correlation is positive, the slope b must be positive.