(C) (1, sqrt2) only other answers wrong
Answer:
d
Step-by-step explanation:
Answer:
I can't see it the picture is not clean or close enough but it's in the bottom left
Answer:

Step-by-step explanation:
Given:
Radius of spherical tank, 
Volume of a quarter of a sphere is given as:

Plug in 70 ft for
,
for
and solve for the volume,
. This gives,

Therefore, the volume of the quarter sphere shaped tank is 
I think it’s the 1st one because it’s close too what it is when I work it out