HELP ASAP NOW PLEASE I WILL GIVE BRAINLIEST! 23.) Which sets of data would most likely have a NEGATIVE correlation?

A.) the population of Detroit over a 10-year period and the population of Kansas City over the same 10-year period.

B.) the height of a person and that person's shoe size.

C.) the number of times a car stops to fill its gas tank and the amount of gas the tank can hold.

D.) the size of an animal and the amount of food it needs each day.

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?

Which expression is equal to (21)(7)(3x) using the associative property? (21 · 7 · 3)x (7)(21)(3x) 32(7 + 3x) (3x)(7)(21)