Answer: OPTION A
Step-by-step explanation:
The equation of the line, by definition, has the following form:
y=mx+b
Where m is the slope and b is the y-intercept.
Calculate the slope as following:

Now, you must solve for the y-intercept, as you can see below:

Then, the equation of the line is:

Does a skull night eat chocolate? no so the ansewr is angles
Answer:
, 
Step-by-step explanation:
The velocity function of the projectile is obtained by deriving the position function:

Now, the velocities after 3 and 15 seconds are, respectively:




If you were rounding it to the nearest whole number it would be 139 since it is greater then 138.4.