Question 26 of 98 Which equation could be represented by the number line?
A. -3 + 4 = 1
B. 3+ (- = 2
C. -1 +(-3) = -4
D. 1 + 3 = 4

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour.what is the cyclist average rate for the round trip in miles per hour ?