Add and Simplify.
(2x-y-2z-6)+(-6x+4y+3z+8)

What is 140% of 25? because i need

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park is the cost of admission proportional to the amount of people entering the amusement park? explain.

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two