A restaurant sells a refillable coffee mug for $7.75. Each refill costs $3.25.

i think da answer is

d.square root of 3

for this case we have that by definition, the volume of a cylinder is given by:

where:

r: it's the radio

h: it's the height

we have as data that:

substituting:

so, the cylinder volume is

option d

i think it is d. hope this