Carey is organizing her books and putting them on shelves. She put 2 books on the first shelf, 8 books
on the second shelf, 32 books on the third shelf,
and 128 books on the fourth shelf. What kind of
sequence is this?

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

The trigonometric ratios sine and secant are reciprocals of each other

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?