Answer:
2/9
Step-by-step explanation:
-9x - 2
-9 (7) - 2
-63 - 2
-65
Answer:
C
Step-by-step explanation:
22 feet. Using the sine rule theory: 20/sin(65)=x/sin(90). You know that it's 90 degrees because you assume the ground and the building make a 90 degree angle. So, you cross multiply and get 20sin(90)/xsin(65) and solve for x.