C. 6
Exploration: i got it right.
W=A\L
Divide L from both sides
The L in the right cancels out
The answer would be the first phrase.
3x is 3 times x, and +4 is the sum of 3x and 4.
20 degrees. The pics a little blurry, but it should be that
Answer:
I think its C!! but not sure