Answer:
62
length x width x hight
Step-by-step explanation:
to find the value of x, you have to subtract 95 from 180. so the value of x will be 85. to find the value of y, you have to add the value of x which is 85 to the given angle which is 50. the angle would be 135. since the triangle is 180 degree, now u subtract 135 from 180. and the value of y will be 45. so x is 85 degree and y is 45 degree. hope that helps.
4 would be the answer for this questions
Answer:

Step-by-step explanation:
The formula to find the error is:

Where:
is the standard deviation
n is the sample size
So
n = 80 people
= 12 movies
Then
= confidence level = 0.99


We look for the Z value: 
Looking in the normal standard tables
Therefore:
