In a school election, 34 of the students vote. there are 1464 ballots. write and solve an equation to find the number s of students.

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2