Answer:
<h2>90</h2>
Step-by-step explanation:

Answer:
this hurts my brain x_x my non-existent brain....
Answer:
320 meters
Step-by-step explanation:
x² + 200x = 166400
It's a square, area should be side²
x² + 2(x)(100) = 166400
x² + 2(x)(100) + 100² = 166400 + 100²
(x + 100)² = 176400
x + 100 = 420
Since these are sides, we just consider the positive square root
x + 100 = 420
x = 320m
Answer:20
Step-by-step explanation:
No. Of perrenial flowers=50*40%=50*40/100= *20*