Answer:


Here Both the side of equation are same ..
So, it have infinite solution....
Answer:
CEDB i think
Step-by-step explanation:
Answer:
Step-by-step explanation:
The unit rate of the 100m race is 2.12... m/s which you get by dividing the 100 meters by the 47 seconds. The unit rate for the 50m race is 2.08... m/s which you get by dividing the 50 meters by the 24 seconds. This means that the record for the 100m race is faster.
N(2n+6)-(n²-1)= 2n²+6n-n²+1=n²+6n+1
Reflected over the x-axis:

<span>. Hence, the original triangle is described by A'B'C'.</span>