Ikinda forgot my trig (kinda)
full explanations required, (including citation of the identity)
3 questions

1. and , then secθ=
2. and , then
3. if and , then

show all work

The tuition costs, c, for a local community college are modeled by c(h) = 250 + 200h, where h represents the number of credit hours taken. the local state university has tuition costs, s, modeled by the function s(h) = 300 + 180h. how many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. after tax the total is 45.99. what percentage of the subtotal is the total?