Answer:
see below
Step-by-step explanation:
Use the distributive property:
(y^2 +3y +7)(8y^2 +y +1)
= y^2(8y^2 +y +1) +3y(8y^2 +y +1) +7(8y^2 +y +1)
= 8y^4 +y^3 +y^2 + 24y^3 +3y^2 +3y + 56y^2 +7y +7
= 8y^4 +y^3(1 +24) +y^2(1 +3 +56) +y(3 +7) +7
= 8y^4 +25y^3 +60y^2 +10y +7 . . . . . matches the last choice
the answer is 399 just go to socratic if you need help with math.
<em><u>Solution:</u></em>
<em><u>The probability of an event is given as:</u></em>
Given that,
There are 12 balls in a bag
One is blue and one is red
Favorable outcome = blue ball is drawn first
Favorable outcome = 1
Therefore,
Now, without replacement, red ball is drawn second
Therefore,
Total possible outcomes = 12 - 1 = 11
<em><u>What is the exact probability that the blue ball is drawn first and the red ball is drawn second?</u></em>
Thus the exact probability that the blue ball is drawn first and the red ball is drawn second is