If s(x)=2-x^2 and t(x)=3x what value is equivalent to (s•t)(-7)?

How many solutions does the nonlinear system of equations graphed bellow have?

Someone answer asap for ! 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?

Asix-sided number cube is rolled twice. what is the probability that the first roll is an even numbe and the second roll is a number greater than 4?