Help do all 3 please

Tell me how you got the it use the figures to answer questions 1and 2. in each diagram, line k is parallel to line l, and line t intersects lines. 1. based on the diagrams, what is the value of x? 2. how would you verify your answer for x?

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

Write an algebraic expression for the word expression the quotient of c and 8