Answer and show work for both a and b

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17

Which of the functions below could have created this graph?

One of the complementary angles is 4 degrees mor than the other. find the angles (recall that complementary angles are angles whose sum is 90 degrees.) which of the following can not be used to solve the problem if x represents one of the angles? a. 2x-4=90 b. 2x+4=90 c. x+4=90