Josie is getting her hair cut and
styled. she wants to give a 20% tip
to her stylist. if the haircut costs
$15.00, how much tip should she give? show work

What basic trigonometric identity would you use to verify that csc x sec x cot x = csc^(2)x

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old

Which part of a 2-column proof is the hypothesis of the conjecture? a) given b) reasons c) prove d) statements ! i think it's b but i'm not quite