X -4 1 6 11
y -3 -2 -1 0

Step-by-step explanation:

Let's simplify step-by-step.

x−41611y−3−2−10

=x+−41611y+−3+−2+−10

Combine Like Terms:

=x+−41611y+−3+−2+−10

=(x)+(−41611y)+(−3+−2+−10)

=x+−41611y+−15

=x−41611y−15

; )

step-by-step explanation: ; )

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%