Answer: If the first one is addition, which I'm pretty sure it is, the answer is
1 1/10
For the second problem, I'm pretty sure its subtraction, so the answer is 1/9.
Step-by-step explanation:
b is the answer hope this help
19 i think though im pretty sure it is
Answer:
70°
Step-by-step explanation:
If arc BY is 40, angle BAY is 20.
BAC is 90.
90-20 is 70.
m<YAC=70