Answer:
c
Step-by-step explanation:
A perfect square trinomial is always in the form
(a+b)(a+b)= 
ie. (x+4)(x+4)= 
37.68m this is my best guess sorry if it's wrong :)
Answer:
I think its B!
Step-by-step explanation:
What grade r u in??
Answer:
He must get at least a 90 in order to recieve an 85 percent or higher
Step-by-step explanation:
Answer:
So then the correct answer would be:
B) .9996
Step-by-step explanation:
The exact way to solve this problem is using the binomial distribution, assuming that our random variable of interest is "number of students living in apartments" represented by X and 
And we want this probability:
So we see that we satisfy the conditions and then we can apply the approximation.
If we appply the approximation the new mean and standard deviation are:
And then 
And we are interested on the following probability:
So then the correct answer would be:
B) .9996