L for School: Practice & Problem Solving Copy1 8.4.PS-11
Z1 and Z2 are complementary angles. The measure of Z1 is 39º.
The measure of Z2 is 3xº. Find the value of x. The figure is not drawn
to scale.
The value of x is

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