Find the value of X.

X=?

7 is the median   7.875 is the mean

step-by-step explanation:

3,4,5,6,8,11,13,13

2x+60=

step-by-step explanation:

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