Hope it's 30. .....................
Answer: 
Step-by-step explanation:
Remember the logarithms properties:

Then,simplifying:

Apply base 8 to boths sides and then solve for "x":

Distance formula sqrt((x2-x1)^2 + (y2-y1)^2))
Sqrt((4-2)^2+(-7+3)^2)
Sqrt(2^2+4^2)
Sqrt(4+16)
Sqrt(20)
2sqrt5.
The second choice is the correct answer.
Answer:
29.9
Step-by-step explanation:
Divide the earnings by the time.
179.4/6 = 29.9
418.6/14 = 29.9
867.1/29 = 29.9