A medical researcher is interested in testing a new medicine for migraine headaches. She selects an SRS of 100 adults who get migraines at a rate of one or more per week. Half of the selected adults will receive the new medicine while half will receive a placebo. The researcher will compare all results.

Determine if the study is an experiment or an observational study. Give a reason for your answer.

Grette is pregnant is participation in a prenatal class where a nurse will tell her what to expect during pregnancy. she learned about gestation diabetes and how to prevent it. which trope of disease prevention technique is the prenatal class

Based on the following data, accounts payable………………………………………………… $62,000 accounts receivable…………………………………………………. 100,000 cash……………………………………………………………… 30,000 inventory………………………………………………………………. 138,000 land………………………………………………………………….… 160,000 common stock ………………………………………………………. 200,000 revenue………………………………………………………………. 80,000 dividends……………………………………………………………… 56,000 expenses……………………………………………………………… 40,000 what is the amount of total assets?

Carlos wants to participate in a physical activity that will best improve heart function what type of activity should he choose