Find the possible values of s in the inequality 12s-20 < 3s-25

Ateacher noticed 5/8 of the students were wearing either blue shorts or white shorts. write two different ways this could be done.

If the value of cos330°is√3/2 then find cos 165°.

Paco orders an ice cream for $1, but realizes his wallet is at home and he only has 3/20 of $1 with him. if his mom pays the remaining 7/20 of the dollar, how much will she pay? $0.05 $0.15 $0.85 $0.95