A 12 foot by 8 foot rug covers the hardwood floor of a room. The rug leaves a uniform strip of bare floor surrounding the rug. If the area of the room is twice the area of the
rug, what is the area of the room?

Ahigh definition tv cost $800 with a down payment of 2/5 of the cost. how much is left to pay, in dollars after the down payment has been made?

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?

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