Answer:

Step-by-step explanation:
Let
x----->number of games won by the football team
we know that

so

You will lose money. Because $50 to make subtract $45 to sell (50-45) leaves you losing $5.
9(3j-6) = 27j - 54
<span>Note: a(b-c) = ab - ac</span>
3 packs of pencils ( 30 pencils)
5 packs of erasers (30 erasers)
P(r/w) is the probability of picking a red rose at first picking and a white rose at second picking.
P(w/r) is the probability of picking a white rose at first picking and a red rose at second picking.
P(r/w) =

×

=

P(w/r) =

×

=

Notice that the second fraction is out of 18 because the second picking of rose will be out of 18 since the first rose is not replaced.
P(r/w) equals to P(w/r)