3. Simplify each expression. Show as much work as possible for each question for full credit. Write each answer in standard form.

a) (-5 +x)(x+4) (Show your work) (5 points)
b) Is the product of -5 +x and x+4 equal to the product of 5+x and x-4? Explain your answer. (Show your work to prove your answer) (2 points)
c) (2+5)(3²+4−3) (Show your work) (5 points)

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%

step-by-step explanation:

most likely the answer is a.

alice wins if a total of 5 is rolled. finn wins if a total of 9 is rolled.

9 x 8 divided by (5-3)=36