AB and CD do not intersect.
HOPE it helps!!!!!!
Answer:
-6 for both
Step-by-step explanation:
0-6/5-4=-6
-10-(-4)/-2-(-3)=-6
Answer:
as written: 7x^2
perhaps intended: 7x^4
Step-by-step explanation:
As written, the Order of Operations specifies that the only denominator factor is 3, so the expression is interpreted as ...

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Sometimes grouping of denominator factors is intended, but parentheses are not written as they should be. If the intention is ...
21x^3/(3x^-1)
then the simplification is ...

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The applicable rules of exponents are ...
(a^b)(a^c) = a^(b+c)
a^b/a^c = a^(b-c)
10m^3-m^2-6m+9 is the answer