Please help me! I need the answer

Find the solutions for a triangle with a =16, c =12, and b = 63º

Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250

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