Which expression is prime? a) x2 - 4x + 3 b) x2 - 6x + 9 c) 3x2 + 5x - 2 d) 6x2 - 7x + 18

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 does the relationship between the mean and median reveal about the shape of the data

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?