Mike paid $18.00 before taxes for 5 photo albums. his sister wants to buy two of the same type of album. what amount should she expect to pay before taxes? $3.60 $7.20 $9.00 $13.00

Find the measure of the interior angles of the following regular polygons: a triangle, a quadrilateral, a pentagon, an octagon, a decagon, a 30-gon, a 50-gon, and a 100-gon.

Ill mark the brainliest if you me with the these three questions 7,8,9

1jessica's home town is a mid-sized city experiencing a decline in population. the following graph models the estimated population if the decline continues at the same rate. select the most appropriate unit for the measure of time that the graph represents. a. years b. hours c. days d. weeks