Shelby is Canoeing in a river. She travels 4 miles upstream and 4 miles downstream in a total of 5 hours. In still water, Shelby can travel at an average speed of 2 miles per hour. To the nearest tenth, what is the average speed of the river's current? Explain

the answer would be c:   ax + b = ax + c

step-by-step explanation:

ca = ec

cpctc makes it so that corresponding parts of the triangle you proved to be equal are equal, the other options aren't part of the part of the triangles you proved to be equal.

it is a secret for it not to be compromised sorry

step-by-step explanation:

step-by-step explanation:

because it just is