Find cosine sin and tangent of a= -3pi/6

Which point is on the line y=-2+3? (-2,-1) (3,3) (3,-3) (-3,-9)

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12