Angles ABC and DBE are supplementary. The mŁABC = 3k + and the mZDBE = k - 100 What is the value of K? A

-9

B.

91

C.

45.5

D.

40.5

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.