A bookstore makes a profit of $2.50 on each book they sell And $.75 on each magazine they sell. Each week the store sells experts and white magazines. The store sells no more than 77 bucks and magazine each week earning Atmos $101.50

Suppose the radius of a circle is 16. what issuppose the radius of a circle is 16. what is its circumference its circumference

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

What is the product? a-3/15a × 5/a-3