Answer:
-3x+30
Step-by-step explanation:

Expand 

Simplify 

You can rewrite this equation as "f - g - 1". That's all that I see that you can do with this.
Answer:
147+25=172
Step-by-step explanation:
Have a nice day!
Brainliest me pls
Answer:
-a+11
Step-by-step explanation:
hard to explain. but should be correct
Any portion of the circumference of a circle is called a radius