It is the fourth option, y+8=3(x-8)
Find percent increase by subtracting the amounts and dividing it by the old amount, then multiply the result by 100 to make it a percent.
Increase= (277-210)/210
67/210
Then it ends up as 0.319047619...
Multiply that by 100 to make it a percent, which is..
31.9047619..
Round it off, and you get..
32%!
7^2 x cube root 7
= 7^2 x 7^1/3
= 7^2+1/3
= 7^7/3
