A student receives a gift card to purchase songs for an online music account. Each song costs the same amount. The equation y = 100 - 1.99x represents the balance remaining, y, on the
gift card after purchasing x songs.

What is the probability of rolling a single die greater than 4

Which of the symbols correctly relates the two numbers below check all that apply 6? 6

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