Answer:
B.9
Step-by-step explanation:
9*1=9
Answer: It is -62
Step-by-step explanation: It is -62 because if you find the absolute value it is always negetive .
Answer: 
Step by step:

(Used a table of common angles)
The answer is c
you (4,4) and another point need to be double (2,-5) so the other point needs to add to (4,-10) so 4 + 0 is 4 and 4 + - 14 = 10