Use substitution to solve the system of equations.

y = 4.5x + 7.5
y = –3.5x – 4.5

3. solve by graphing: y = 2x + 6 x + y = -3

Use the distributive law to multiply. 3(4x + 5y + 6)

Fred has a spinner that is split into four equal sections: red, blue, green, and yellow. fred spun the spinner 688 times. which of the following would be a good estimate of the number of times the spinner lands on the green section? a. 269 b. 603 c. 344 d. 189