Answer:
first do 9x40 and get your answer then do 18x3 and get that answer and then add to do answers together
A=LxW, so W=A/L. Divide 85 by 10.
graph looks like the letter v
2 around x means no matter what value x is y will be positive
plot points would be
(-2,2) (-1,1) (0,0) (1,1) (2,2)
B is the answer to your question
Lap 2 because the bigger the number in time the longer.