It's C the missing side is 9 units long so since cosine is adjacent divided by hypotenuse it would be 9/41
The survey was intended for Bill's middle school during the summer. The
survey was administered to students of other schools on a Saturday.
- The type of error is the <u>selection bias error</u>.
Reasons:
The type of error made is a non sampling error, given that the target of the
study is the number of times in a week students at his middle school
attend the beach during the summer.
The errors are; Selection bias error.
- The given that the students survey are not from his middle school.
- The survey was carried out once on a Saturday, where the target was during the summer.
The selection bias error is a type error that is due to the researcher
chooses what to study, such that the participant have common
characteristics rather than being random.
Learn more about selection bias error here:
brainly.com/question/13727092
Answer:
The value of 
Step-by-step explanation:
Let's recall the the formula for volume of a pyramid.
Volume of a Pyramid 
....equation 
where 
and 
Now we have been given the values of 
and 
and have to find the value of 
Plugging the values of and in equation
Now we can also check our previous results.
So, our final answer is 
Answer:THE CORRECT ANSWER ISSSSSS x=25
mb=65
mc=50
