Answer:
The tip is $11.39
Step-by-step explanation:
The formula of a distance between two points A and B is :

You should this formula by heart.
Then, you just have to apply it ! :D
Here :




Therefore :




In short, the answer would be the first option :

.
Hope this helps !
Photon
The area of a triangle is 1/2 b/h. So what you do is you find base and height, multiply them together and whatever answer you got, you divide by 2.
Example:
A= 1/2 (b x h)
A= 1/2 (4 x 6)
A= 1/2 (24)
A= 12
Hope this helps!
Nonlinear. it is a quadratic equation therefore yields a parabola
Answer:
Original value: 5.69
Value (with 10 decimal places): 5.69