Determine the equivalence class for -13 mod 10.

How many sides does an UNDECAGON have?

What is the Crystallographic Classification System for the pattern?

Determine the measure of a vertex angle in a regular decagon. All answer choices are in degrees.

Select the weighted voting system that contains a voter with veto power.

If the month is January then what month will it be in 200 months?

If today is Monday then what day of the week will it be in 501 days?

Use approval voting to determine the winner of the election. Cindy X X X X X Debra X X X X X X Ethan X X X X X  

Is the following tiling pattern REGULAR, SEMIREGULAR, or NEITHER of the two?

Select the weighted voting system that contains a dummy.