A contractor needs to buy grass seed to cover a lawn. The dimensions of the lawn are shown below. One bag of grass seed covers an area of 600 square yards. What is the minimum number of bags of seeds the contractor needs to buy to cover the entire lawn. I need help, badly.

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