12 is B. You because the graphs slope is 1. 13 is A 7 I think.
Shifted up 8 and right 7
answer
B. second option
First you need to know the definition of a complementary angle. That means that two angles add up to 90 degrees, or a right angle.
To find an angle complementary to a 78 degree angle, you need to subtract 78 from 90.
90 - 78 = 12
Answer:
A
Step-by-step explanation: