Solve the equation for x by graphing

Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?

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.  

Determine if the outside temperature is a function of the time of day or if the time of day is a function of temperature and explain why or why not.