11. What is the value of x? a. 40 b. 30 c. 20 d. 10 1 (7X – 10) (6y + 30) 12. What is the value of y? a. 10 c. 15 d. 30 (10y-30/ 5 (4x + 2010 8 b. 20 13. What is the measure of 26? a 180° C. 120° b. 90° d. 60° Figure 2 14. What is the measure of 25 a. 180° b. 1200 c. 900 d. 60° 15. What is the measure of 21? a. 60° b. 90° c. 120° d. 1800