Answer:
A=60
Step-by-step explanation:
Add 28+20+12
A=60
For number 1a. the answer is 7 to 26 or
7:26 or

For number 2a. the answer is 8 to 28 or
8:28 or

For number 3a. the answer is 12 to 13 or
12:13 or

For number 4a. the answer is 19 to 12 or
19:12 or

For number 5a. the answer is 29 to 10 or
29:10 or

For number 6a. the answer is 11 to 28 or
11:28 or

I just did your homework
Graph 2 should be right because it moves up 1 because of the +1 that is in the parentheses.
<ZOH = 70
<FOH = 180 - 70 = 110
<GOH = <FOH /2 = 110 / 2 = 55
answer is B. 55