-1 is the answer to your question
Answer:
Step-by-step explanation:
Combine
Combine the bottom, too.
Apply the fraction rule
Cancel
Therefore,
Answer:
Step-by-step explanation:
Using the law if indices
× =
Thus to simplify the expression add the 3 exponents
a(b + c) + b(c - a) + c(a - b) ← distribute parenthesis
= ab + ac + bc - ab + ac - bc ← collect like terms
= 2ac
Then the expression simplifies to
Answer:
x = -y
or
-y = x
Step-by-step explanation:
since you reflect it over the x axis, the y changes to a negative
$80*.25=$20 spent on shorts
$80-$20= $60
$60*.65=$39 spent on sandals