Are the given expressions equivalent?

2(m+m+m) +m
(3+4) ,

What is the percentile for data value 6 in the following data set? 4 13 8 6 4 4 13 6 4 13 2 13 15 5 9 4 12 8 6 13 40 25 35 62

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)