Solve like a linear algebra equation

use for slope

the b is intersept
Well first you would find a common denominator which is 6 the add your numerators to equal 1 7/6 then you would simplify it to equal 2 1/6.
Answer:
i think its C. 15 and 35. hope this helps :)
If a = 11
b = 180 - 11
b = 169
answer
b = 169 degrees