What number must you add to complete the square? x^2 +4 =23a. 4b. 8c. 16d. 2

$15 each

step-by-step explanation:

$45/3 children= $15 each

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