we know that
1) You have
of a pie leftover after your party
2) Each
guest takes home
of the leftover pie
To find the fraction of the original pie does each guest take home,
Multiply
by 
so

<u>Simplify </u>
Divide by
both numerator and denominator

therefore
<u>the answer is</u>

Every positive number has two square roots.
The square roots of 67 are 8.185... (rounded) and -8.185... (rounded) .
Both are irrational numbers, so they can't be completely written down
with digits. No matter how many decimal places I write, it can never be
enough, because these decimals go on forever and never end.
There is a 50% chance.
Explanation:
There is always a 50-50 chance that the coin will land on either heads or tails.
Last Question
Because this may not be the question you want, I'll omit the first step which should be done with latex. The key to all of these except C is to invert the second fraction (turn the second fraction upside down) and multiply.
A

=(6*-2) / (5*3) = - 12/15 = -4/5
B
= (7*5) / (4*3) = 35 / 12 = 2 11/12
C
Impossible to do 4/0 cannot be done.
D

= (-2*-4)/(3*5) =
8/15
A, b, d. Dilation is NOT <span>an </span><span>isometry</span>