Answer:
I think it is 13/15 (0,8666666...) but I am not sure
Answer:

Step-by-step explanation:
when you raise an exponent to a power you multiply
Also since the terms inside the parenthesis are multiplied and not added, you don't have to worry about expanding it

Well you do 57 time 7 and get 399 and then it says how far will she have driven so you would add the 60 and get 459 miles.
base times height divided by 2
8 time 6 is 48 divided by 2 is 24