If ∠ecd = 45° and ∠bed = 110° is δabe ~ δcde? if so, by what criterion?

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median amount spent? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28

Do you mind if you guys me with this question i’m on number 8

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c