The science club sold 24 t-shirts last week and 18 t-shirts this week. what is the percentage of decrease in the number of t-shirts sold? a) 33% b) 25% c) 50% d) 75%

Can somebody me out with this question

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

There is an entrance to the computer room at point e which lies on ab and is 5 feet from point a. plot point e on the coordinate plane. find the distance from the entrance at point e to the printer at point e