Answer: about 43.5298
Step-by-step explanation:
Step-by-step explanation:

Or basically,

or

Answer: you have a 25% or 1/4 probability
Step-by-step explanation:
Answer is 5 hours
Explained
I divided 17,700 by 60 seconds to get minutes
Then I divided by 60 minutes to get hours
4.916 hours rounded to 5 hours
ANSWER
Focus:

Directrix:

EXPLANATION
The given parabola has equation:

We compare this to the general equation,

Comparing the coefficient of x, we have:
-4p=-1

The focus is (-p,0)

The equation of the directrix is
x=p
