Answer:

Step-by-step explanation:

Add 7 to both sides:
Multiply both sides by -1:
Divide both sides by 5:
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Answer:
Check photo.
Step-by-step explanation:
3.1415926535 is the ones I have memorized. Shouldnt need to know more then that
Answer:
150 degrees
Step-by-step explanation:
16 is the answer i believe :)