A study showed that people who take vitamin C daily have a significantly better chance of protecting against a cold than those who did not take the vitamin daily. Which of the following statements is correct?

I. This is an observational study and not an experiment.

II. This study provides evidence that taking vitamin C daily contributes to protecting against a cold.

III. The general health consciousness of people who take vitamin C could be a confounding variable.

a. I only

b. III only

c. I and II only

d. II and III only

e. I, II, and III

1: 4 if the wew 35 surfboards at the beach how many were short boards?

Samson is going shopping for sugar and butter to make three different kinds of cookies: lemon bars, peanut butter cookies, and sugar cookies. the recipe for lemon bars calls for 2 cups of flour, 2 cups of sugar, and 1 stick of butter. the peanut butter cookie recipe calls for 2 cups of flour, 4 cup of sugar and 2 stick of butter. the sugar cookie recipe calls for 1 cup of flour, 2 cups of sugar, and 2 sticks of butter. sampson has 13 cups of flour at home, and he buys 12 cups (6 pounds) of sugar and 10 sticks of butter. how many batches of each type of cookie can he make? samson can make batches of lemon bars, batches of peanut butter cookies, and batches of 09 cookies submit reset

Write a description of each inequality. 1. -5a + 3 > 1 2. 27 - 2b < -6 (this < has a _ under it) 3. 1/2 (c + 1) > 5 (this > has a _ under it)