Which of the following is equivalent to (x+1)2+2(x+1)(y+1)+(y+1)2
(x+y+1)2
(x+y+2)2
(x+y )2+2
(x+y )2-x-y

0.16 or 16%

step-by-step explanation:

lets take a coin for example.

if you toss it twice, it has a 1/4 chance of landing on heads both times because 1/2 * 1/2 is 1/4.

with the cards, the chance of picking dog is 0.4. having two people pick one is like picking a card twice in a row. so 0.4 * 0.4 is 0.16, or 16%

3

step-by-step explanation:

1/2(2*4)=6 $$- agahajakanajak