The vertices of a quadrilateral are a(-5,3), b(2,2), c(4,-3) and d(-2,-2). how can you use slope to determine whether the quadrilateral is a parallelogram? is it a parallelogram? justify your answer.

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73

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

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.