Which of the following are NOT trigonometric identities? Check all that apply. A.
4cosx sinx=2cosx+1-2sinx

B.
1-tanxtany=cos(x+y)/cosxcosy

C.
tanx cosx cscx=1

D.
Secx-cosx/secx=sin^2x

Plot the intercepts to graph the equation

The cost for an uberi is $2.50 plus $2.00 mile. if the total for the uber ride was $32.50, how many miles did the customer travel?

Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups