Five sixths as a decimal

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.

What is the quotient of m^6/5 ÷ 5/m^2? assume m does not equal pl

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?