Which equation represents this sentence?

Five more than three times the number is one-third more than the sum of the number and itself.

5(3n)=13+n
3n+5=13(n+n)
5(3n)=13n+n
3n+5=(n+n)+13

Write two subtraction equations that are equivalent to 5 + 12 = 17.

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.

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?