Mei wants to study whether heart rate increases more during certain exercises than during others. she designs an experiment to test the heart rates of classmates in the morning and in the evening for three days, immediately after doing jumping jacks, doing push-ups, or running in place. what is the dependent variable in this experiment? classmates type of exercise heart rate time of day

After you have discovered your career path it is important that your

How can firms use marginal analysis to determine the price of a product? a) profit maximization can occur when the marginal cost exceeds the marginal revenue. b) the total cost of production can determine the individual unit price of a product. c) marginal analysis can be used to determine at what price profit maximization occurs. d) firms can calculate the marginal cost of a product and set the price lower than the cost.

*giving 20 free points plus brainliest for this drivers ed question * ! which of the following is not the name of a dash gauge? a. speedometer b. gear meter c. odometer d. temperature gauge