(y x .12) x .3 = the total cost
Answer:
Y intercept is 2
Step-by-step explanation:
m is slope and b is y intercept
113°
1) according to the condition m(∠B)=m(∠D)=67°;
2) m(∠C)=180°-m(∠B)=180°-m(∠D);
m(∠C)=180-67=113°.