If sample data come from a population that is not normally distributed, which sample size would be large enough for the sampling distribution to
approximate a normal distribution?
A. 15
B. 45
C. 25
D. 5

Which of the following is true for the relation f(x)=2x^2+1

Aschool puts on a play. the play costs $1,200 in expenses. the students charge $4.00 for tickets. there will be one performance of the play in an auditorium that seats 500 people. what is the domain of the function that shows the profit as a function of the number of tickets sold?  

Matt had 5 library books. he checked out 1 additional book every week without retuening any books. whats the matching equation