Answer:

Step-by-step explanation:
Move the b over to the other side to get the 2a alone.
2a=c-b
Then divide the entire equation by 2 to get a instead of 2a.


Answer:
Step-by-step explanation:
Slope of line passing through (2, 7) and (1, -2) = (-2-7)/(1-2) = 9
C = 2 pi r
C = 2(13) pi
C = 26 pi
Answer:
SOH-CAH-TOA
TAN(30) = 3/x

Step-by-step explanation: