Answer:
c) 3x - 45 = 10
Step-by-step explanation:

Cross multiply,
3*(x - 15) = 2*5
3*x - 3*15 = 10
3x - 45 = 10
Answer: option C
find f(x) - g(x)
f(x)= 
g(x) = 
To find f(x) - g(x) we plug in the functions and subtract

Remove the parenthesis and change the sign of each term

Combine like terms

So option C is correct
Answer:
C:
Step-by-step explanation:
In the attached file
The answer is 3 sq root of 2 or around 4.2 ft