Which of the following are trigonometric identities? Check all that apply. A.
cscx - sinx
= cos x
CSC X
B. tanx cosx CSCX = 1
sin(x + y)
C. 1+cot x tan y =
sin x cos y
O D. 4cosx sinx = 2cosx + 1 - 2 sinx

The function p(x) = –2(x – 9)2 + 100 is used to determine the profit on t-shirts sold for x dollars. what would the profit from sales be if the price of the t-shirts were $15 apiece?

Q= {1.7, 1.1, 1.4, 2.1, 2.3, s}. what is the absolute difference between the greatest and least possible values of the median of set q? express your answer as a decimal to the nearest hundredth.

Charlene's parents deposit $500 in an account on the day she is born. the account earns a high interest rate of 9.2% compounded quarterly because charlene is not allowed to access the money until her 22nd birthday. how much money will charlene have on her 22nd birthday? a: $3,698.50 b: $5,921.31 c: $101,200 d: $ 824.58