Answer:

which agrees with the last option listed.
Step-by-step explanation:
We use the vertex form of a parabola:

which with the information we have becomes:

Therefore the equation that corresponds to such vertex (-1, -1) is the last one listed among your given answer options.

Answer: 21/4
Step-by-step explanation:
Answer:
The interior angles will remain the same.
(if i helped can i please have brainliest?)
Fountain
A = pi * 10^2
A = 100pi
Garden
A = pi * 200^2
A = 40,000pi
40,000pi - 100pi = 39,900 m^2