Answer:
x^2-4x+y^2+6y-108=0
Step-by-step explanation:

Answer:
86°
Step-by-step explanation:
Normally, the building stands at an angle of 90° to the ground (from horizontal)
so,
x = 90° - 4° = 86°
Answer: 4.5y
Step-by-step explanation: You have To Multiply 15 times 0.3 and you get 4.5y
Don’t fall for this it’s fake
Answer:
yes
Step-by-step explanation: