the summer camps had a field trip from the campus to fragrance hill. they traveled at an average speed of 65km/h in the first two hours. after that, they traveled at another average speed of 78 km/h. if the distance between the campus and fragrence hill is 364 km, what was the total time for a field trip?

Aresearcher designed an investigation to test what effect eating different types of food would have on blood insulin levels. she selected 10 male subjects who were all 25 years of age and in good health. the experiment took place over 3 days. at 8: 00 a.m. on each day, the subjects ate a meal consisting of only 1 type of food. they had their blood insulin levels measured after consuming the meal. on day 1 they ate a high fat diet, on day 2 they ate a high protein diet, and on day 3 they ate a high sugar diel what is the independent variable in this experiment? a the age of the subjects b the blood insulin level c the type of food consumed d the time of day the meal was consumed