HELPPP!! if you get it right I’ll give brainliest!

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 rate of change between the interval x=pi and x=3pi/2

Based on the random survey, what percent said they will vote for candidate a? round to the nearest whole percent. a) 49% b) 53% c) 58% d) 63%