Answer:
Step-by-step explanation:
a) Yes.

b) Yes

c) Yes

d) No

Answer: The answer here is 45* because all you need to do is 180-72-63 then BAM you get your answer :)
Answer:170
Step-by-step explanation:
Multiply 210 by 0.70 because that's equal to 70%. This will give you the answer.