Which of the following is the measure of one of the central angles of a regular octagon? a. 45 degrees b. 72 c. 135 d. 360

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

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.

Choose the more precise measurement. 26.4 cm or 8.39 cm