How can exponents express such numbers as 16

Subtract 8 1/6 - 4 5/6 . simplify the answer and write as a mixed number.

What is the value of x? enter your answer in the box. photo attached.

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.