1. You bike 25 blocks in 20 minutes. Find the unit rate

On a architect's drawing of a house, 1 inche representa 1.5

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b

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