Answer:
The answer to 3/4x-1/6 is -0.126
The answer is 32.5%
and if you need it in decimal form, it would be,

For perimeter you add up the two sides so 15 + 21 equals 36
34m + 14 = 30m + 22
34m - 30m = 22 - 14
4m = 8
m = 8/4
m = 2...multiple choice questions are worth 2 points each