Answer:
d. COB
Step-by-step explanation:
Complementary angles are angles which add to 90 or form right angles.
COB complements COD.
72, because 360/4 courses = 90 as an average for Adrianna. This means that 360/5 courses equals 72 for roberto.
Answer
N-9=-18
Move the -9 to -18 and add those cuz if there’s two negative u have to add
Add 9
Answer:
this is the correct answer look this img