Help on number 1 please! :(

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.

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64

Jane has 5 nickels. john has 3 dimes. jane says she has a greater amount of money. with the information given, is she correct?