Write a polynomial to represent the area of the shaded region.

a) ab
b) ab - 4x2
c) ab - x2
d) a2b2 - 4x2

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

John used linear combination to solve the system of equations shown. he did so by multiplying the first equation by -3 and the second equation by another number to eliminate the x-terms. what number did jonas multiply the second equation by? 4x-6y=23x+5y=11

Due to a packaging error, 4 cans labeled diet soda were accidentally filled with regular soda and placed in a 12 pack carton of diet soda. two cans were randomly selected from this 12 pack. what is the probability that both cans were regular soda?