Find the x-intercept of the function f(x) = ax + 1 - 1

The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why? a. point c could be the interior of aob but it is not the only case b. point c is the interior of aob c. point c is not the interior of aob d. the given is not possible for the plane geometry answer

Measure a and b and find their sum. how are the angles related?