One equivalent fraction for 4/21 could be 8/42.
The negative in front of the second bracket means that it's times by -1 so each of their signs switches:
3m^2+2n-m^2-2n
Add like terms
2m^2
the 2n cancels out
Answer:
attach a picture
Step-by-step explanation:
Answer:
No , It has two endpoints.
Explanation: A line segment has two end points with a definite length.
A straight line has neither starting nor end point and is of infinite length.
Step-by-step explanation:
false
false
false
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