(30 Points & Brainliest, Show work!)
Which statement justifies that 2x2 + x − 3 multiplied by x2 − 3x − 2 obeys the closure property of multiplication?

A) The result 2x4 − 5x3 − 10x2 + 7x + 6 is a polynomial.
B) The result 2x4 − 5x3 − 10x2 + 7x + 6 has a degree of 4.
C) The result 2x4 − 3x2 + 6 is a trinomial.
D) The result 2x4 − 3x2 + 6 has a degree of 4.

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

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

Nicole is making carrot bread she needs 5 cups of carrots for 2 cups of sugar.what is the ratio of cups of sugar to cups of carrots that nicole will need? write the ration in three different ways