I will give brainliest to the correct answer ONLY THE FIRST 2 PROBLEMS

Answer:
Step-by-step explanation:
7. <4 = 52.7
<2 = 52.7
180-52.7 = 127.3 for <1 and <3 vertical angles
8. 5x + 10 = 70
5x = 60
x = 12
5(12) + 10 = 60 + 10 = 70
<1 and <3 should be 110
<2 and <4 is 70