<span>437 = (21 + x)(21 - x), then x = 2, -2</span>
Answer:
where
is the amount of banners sold.
Step-by-step explanation:
We know the team has already spent $40, and they earn #3.5 per banner.
Hence, with
representing the amount of banners sold, the equation is 
Answer:
1/10
hope it helps!!!!
Answer:
20
Step-by-step explanation:
In area you have to multiply so 10 x ? = 200
10 x 20 = 200
Answer:
60 degrees
Step-by-step explanation: