Afire truck and an ambulance each drive along a straight road between two points. using the points on a map that the city created, the fire truck will start at (1, –4) and will stop at (12, 7). the ambulance will start at (12, –17) and will stop at (4, 23).

what are the coordinates of the intersection that both trucks drive through?

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