Answer:
Property : a^-b = 1/a^b
Using this property, we can rewrite the expression using positive exponents :

<span>−<span>1/<span><span>(<span>y+1</span>)</span><span>(<span>y<span>−1</span></span>) is the answer</span></span></span></span>
Answer:
3
Step-by-step explanation:
pretty simple if she has 8 it wouldnt make sense
5 that means shell have 6 simed with $1.25 worth of money
sooooooooo yeah
Answer:
n=-20
Step-by-step explanation:
First subtract four from both sides then you'll get
-4=n/5
Second multiply 5 to both sides then you'll get
n=-20
Answer:
19-12=7, so 4-7=-3, so b is equal to 19