Which shapes have rotational symmetry that occurs at 180°? check all that apply. regular octagon regular pentagon regular hexagon square right isosceles triangle

State if the two triangles are congruent. if they are, state how you know?

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.

What is r i 4.5+10r=-6.5 with work pls