Car x leaves northtown traveling at a steady rate of 55 mph.  car y leaves 1 hour later following car x, traveling at a steady rate of 60 mph.  which equation can be used to determine how long after car x leaves car y will catch up?

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

Someone me what is the area of this figure? 18m 18m 8m 16m

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