Simplify 5(xy+z)-2xy.

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

George writes the mixed number as sum and uses the distributive property 1/2.-2/5=1/2-2+2/5=1/2

In a timed typing test lara typed 63 words per minute.estimate the number of words she should be able to type in half in hour show your work