Solve the system of equations by elimination.
x + y + 2z = 0
5x − 3y − z = −5
5x + 2y + z = 3

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park what is the unit rate and what does it represent in the context of the situation?

Pamela has a 30-year, 5.75% mortgage on her $250,000 home. she has been paying on it for 5 years, and has recently hit some financial trouble. if her lender agreed to lower the interest rate on her $231,905.47 balance to 5.5%, what will her new payment be for the remainder of the loan?