Answer:

Step-by-step explanation:
Answer:
14.69 ft.
Step-by-step explanation:
Area of a square:
A= 
Given:
A=221 
Solve:
221= 
=
a is approx. equal to 14.87 ft.
which is 14.69 ft.
Answer:
y-intercept = (0,3)
Axis of symetry is -1
Step-by-step explanation:
ax^2+2ax+3 <-- y-intercept
Axis of symetry is -b/2a
-2a/2a=-1
Answer:
C rectangle
Step-by-step explanation: