Step-by-step explanation:
what's the radius
need the radius
1.45
2.135
I believe that's what it should be
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:
A. 502.4 cm^3
Step-by-step explanation:
r=8/2=4 cm
V=pi*r^2*h=3.14*16*10=502.4 cm^3 (A)
Answer: 9:20
Step-by-step explanation:
After 25 minutes, Nico should take them out, so 9:20.