David opens a bank account with $140 and then deposits $150 each month. louis opens a bank account with $260 and deposits $120 each month.
how many months will it take for david and louis to have equal amounts of money in their accounts?
a)2
b)4
c)5
d)7

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