Answer:
a) 0
b) 1
c) 0
Step-by-step explanation:
These are common values from the unit circle but you could also just check with your calculator. Just be sure to set it to degree mode and not radian mode.
Answer:
3x+3
Step-by-step explanation:

Answer:
When you distribute the 7 to each set you get 14-21n and 14-21n
Step-by-step explanation:
Answer:32, XZ is twice the size of AC
Step-by-step explanation: