Answer: It is believed that exactly 20% of Evergreen Valley college students attended the opening night midnight showing of the latest harry potter movie.
Step-by-step explanation:
Since we have given that
n = 84
x = 11
So, 
p = 0.20
So, hypothesis:

so, test statistic value would be

At 1% level of significance, critical value would be
z= 2.58
Since 2.58>-1.604
So, We will accept the null hypothesis.
Hence, It is believed that exactly 20% of Evergreen Valley college students attended the opening night midnight showing of the latest harry potter movie.
Answer:
The y-intercept is 33ft.
Step-by-step explanation:
The ball is 33 feet away from the wall.
It will take the ball 11 seconds to touch the wall.
The slope is -3 feet. The ball is rolling towards the wall at 3 ft per second.
I hope this helps!
~Princess <3
Answer:
b.) area of triangle= 1/2 base x height
A to B(base)= 8
height= 8
8 × 8= 64
64÷ 2= 32
area of the triangle= 32
I think this is correct aha
Answer: I believe it is "C" 57 days.
Step-by-step explanation: Add all the dates together and round to the nearest number of days.
3.2-3x+7
6-3x+7
-7 -7
-1= -3x divide both sides by -3
x=0.3