Here's what we know, numbers are rounded. 1.it takes 8 minutes for light to reach earth from the sun. 2. the distance from the sun to the earth is 93 million miles. determine how many trips back and forth to the sun equal one light-year.

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

The sum of four times a number and three is two times the number minus twenty nine

What type of number results from dividing a negative number by a negative number?