Brainliest for best answer! please help You are interested in the extent to which taking Vitamin C in high
doses (1000mg per day) prevents the catching of a cold. You have 300 volunteers to participate in your study. You know that you need to have a control group that will receive no treatment.

a) Identify the treatment.

b) Either in paragraph form or in diagram form, design the experiment to answer your question. Be sure to include the element of randomization in your design.

Irene bought 3 yards of fabric and a spool of thread for $28.10. if the spool of thread cost $1.25, how much did the fabric cost per yard?

Jessica and martha each have a bag of cookies with unequal quantities. they have 30 cookies total between the two of them. each of them ate 6 cookies from their bag. the product of the number of cookies left in each bag is not more than 80. how many more cookies will jessica have martha? if x represents the number of cookies jessica started with, complete the statements below. the inequality that describes the relationship between the number of cookies each one of them has is x^2 - x +224 > = 0.jessica has at least cookies more than martha.

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.