A quantity with an initial value of 980 decays continuously at a rate of 60% per minute. What is the value of the quantity after 120 seconds, to the nearest
hundredth?

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles

Can someone tell me if this is perpendicular? !

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