Troy's truck has a 30 gallon gas tank ad gets an average of 21 miles per gallon. if the tank is half full, approximately how many miles has troy driven since last filling up his tank?

Which facts are true for the graph of the function below? check all that apply. f(x) = log8 x

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0