Answer:
9y^4
Step-by-step explanation
i believe you just add 6yand 3y
hope this helps :)
if this is a test wait for someone else to confirm just to make sure
Answer: 2 1/4 in.
Step-by-step explanation:
make the denominaters the same (4) and then subtract 20 3/4 - 18 2/4 which is 2 1/4.
hope this helps let me know if you need anything else! :')
Answer:
The length of CD is 8 units
Step-by-step explanation:
<u><em>The complete question in the attached figure</em></u>
we know that
According to the Right Triangle Altitude Theorem,

substitute the given values


solve the quadratic equation by graphing
The solution is x=8 or x=-6
see the attached figure N 2
Discard the negative length.
therefore
The length of CD is 8 units
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