If cos beta =-3/5 on the interval [pi/2, pi], what is the exact value of tan2 beta ?

What is the effect on the graph of the parent function f(x) = x when f(x) is replaced with 3f(x)? a) shifts the line 3 units up b) shifts the line 3 units down c) increases the slope of the line by a factor of 3 d) decreases the slope of the line by a factor of 3

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

If you are just building your payment history, how many points from a perfect score will you possibly miss?