Answer:
12
Step-by-step explanation:
Since the slope of a line is its gradient, we use the formula for finding gradient.
Gradient

hope it helps.
No it’s not a function because it doesn’t pass the vertical line test. if you do the test, you’ll find that the line intersects with the graph more than once
Answer:

Step-by-step explanation:
The formula for SA of a cone is...

Fill in what you have

Pi is 3.14 for our purposes

Then solve

Answer:
$14.36
Step-by-step explanation:
43.08 divided by 3 equals 14.36