What two rays form angle 1?

PLZ HELP. DONT DO IT JUST FOR POINTS. NO ADS PLZ

If m_b=mzd= 43, find mzc so that quadrilateral abcd is a parallelogram o 86 137 o 129 43 description

Factor the following polynomial completely 514 + 2013 - 1052 oa. 5121 + 3)( - ) ob. 51%(1 - 3)(1 + 7) oc. 5198 - 3)(x + 7) od 51%(+ 3)(x - 7)

Hamburger heaven is having a lunch special where customers buy one -pound cheeseburger and get one free. if they set aside pounds of meat, how many -pound cheeseburgers can they make?