Aregular polygon has possible angles of rotational symmetry of 20°, 40°, and 80°. how many sides does the polygon have?

Tell whatever the ordered pair is a solution of the given system.

Which multiplicative property is being illustrated below? (type commutative, associative, or identity) 5 × 2 × 4 = 2 × 5 × 4

Data was collected on myrtle beach for 11 consecutive days. each day the temperature and number of visitors was noted. the scatter plot below represents this data. how many people visited the beach when the temperature was 84 degrees?