Simple math riddle!
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What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

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.

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.