Use substitution to solve the linear system of equations.

y = x - 2

2x + 4 = y

1. (-6,8)
2. (6,8)
3. (-6,-8)
4 .(6,-8)

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9