Josh paid $20.22 to become a member of the golf team. He has to pay a monthly payment for 9 months. His total cost after six months is $200.22. What is his monthly payment?

When y’all answer can y’all explain too !

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.  

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why?