Darell has already cycled 8 kilometers this year, plus he plans to cycle 1 kilometer during each trip to work. How many trips will Darell have to make to cycle a total of 28 kilometers?

Find the difference (8ab+a+2) - (3ab+6)

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

Find the solution on the interval [0, 2pi)