Answer:
yes
Step-by-step explanation:
if you break it down on paper ( which btw i get why you didnt want to do it) you get 39
Answer:
-3x+30
Step-by-step explanation:

Expand 

Simplify 

Answer:
About 64.65 degrees
Step-by-step explanation:


Make sure your calculator is in degree mode.
Well i don’t understand your question but the pattern is infinitely (+2) the next 3 terms are 19,21,23