Answer:
1 x 2 x 2 x 2 x 2 x 2 x 1 = 2^5 = 32 ways
So originally it was 5$per ft now it is 120 dollars total at 12$ per ft, I hope this helps!
The are 9 pieces of data in the set so we have:
(27+32+14+19+24+26+22+32+29)/9 = 25
25 is the mean of the set of data.
Subtract 15 from both sides that gets rid of 15 and your left with 3b =30b divide 3 on both sides and the answer is 10