Jack decides to grow and sell bean plants. let p represent the number of plants he will grow and sell. after considering his expenses, the expression -3p(p-10)-6p(p-10) represents his profit.

a. rewrite and simplify the profit expression by factoring out the greatest common factor.

b. rewrite the expression in simplest form with no parentheses.

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