17. In a recent l0-year period, the change in the number of visitors to U. S. national parks
was about 11,150,000 visitors.
A. What was the mean yearly change in the
number of visitors?

*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