The answers are 8/10, 12/15, 16/20
#2 Is Complementary because angle 1 and 2 are equal to 90 degrees
#4 Is Adjacent. That mean front he middle point/vertex both angles are on the same side and don’t over lap.
To finish the rest i have some notes.
2/3 = 0.6667 round up = 0.7
Answer is B. 0.7 repeating
Hope it helps
Make 275 t0 200 and 180 to 100 and 120 to 100
200+100+100=300
now turn 75 to 70 and 80 will stay 80 and 20 will stay 20
70+80+20=170
now add the 5 to 170= 175
now add 300 to 175 to get 475 which is ya answer
