you play video games online. when you sign up with the game site, you get  400400  points.  you earn  50  more points for each hour that you play.  how many hours do you have to play to get to 1,000  points?

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

How many grams the dog will eat in 3 days?

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