PLEASE HELP As a volunteer, you fill small souvenir bags with several polished stones. Each bag has the same number of stones, with none left over. is the total number of stones in all the bags prime or composite? Explain.

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

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?

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'