15. A stained glass window at the town library is the shape of a regular octagon. Which of the following describes a regular octagon?

1 a figure with 6 congruent sides and 6 congruent angles
2 a figure with 6 sides that are not congruent
3 a figure with 8 sides that are not congruent
4 a figure with 8 congruent sides and 8 congruent angles

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Which value would be a solution for x in the inequality 47-4x< 7

Adeli owner keeps track of the to-go orders each day. the results from last saturday are shown in the given two-way frequency table. saturday's to-go deli orders in person by phone online total pick up 38 25 31 94 delivery 35 28 34 97 total 73 53 65 191 what percent of the to-go orders were delivery orders placed by phone? a. 14.66% b. 38.41% c. 28.87% d. 52.83%