Hey there!
These are technically expressed as fraction. When you divide a fraction by another, you can replace the second fraction with its reciprocal and you can now multiply the fractions together instead.


Now, just multiply across the top and the bottom. You can first cancel out any terms that are repeated or similar.



Your answer will be

.
Hope this helped you out! :-)
Answer:
You add up the perimeter and divide by how many sides there are
Step-by-step explanation:
Ac
Just like xy = 4
Or ac + ac = 2ac
Unless you're asking about geometry or SI prefixes or....?
Answer:
$248.75
Step-by-step explanation:
25% more of 199 is 248.75
As measured by the MAD, the variability ratio is
(MAD of 6th grade heights)/(MAD of 7th grade heights) = 1.2/0.6 = 2.0
The 4th selection is appropriate:
2.0