(05.03 mc)
if x = 39, y = 58, and the measure of ac = 4 units, what is the difference in length between segments ab and ad? round your answer to the nearest hundredth.
triangles abc and adc in which angle c is a right angle, point d is on segment bc between points b and c, the measure of angle abd is x degrees, and the measure of angle adc is y degrees
.74 units
1.17 units
1.64 units
2.14 units

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