Answer:
D.144
Step-by-step explanation:

⇔ 84x = -7x + 1092
⇔ 91x = 1092
⇔ x = 12
⇒ AC = 156 - x = 156 - 12 = 144
11,900,000,000 = 1.19 x 10^10
Answer:
139°
Step-by-step explanation:
According to the question
The equation is
4r+17+4r+115=180
8r+132=180
8r=48
r=6
So BYF =
4.6+115
24+115
139°