Please Help NO LINKS Use cylindrical shells to find the volume of the solid generated by rotating the curve
y
=
9
ln
(
x
)
about the
x
-axis for
1
≤
x
≤
e
.

V
=

Acertain standardized? test's math scores have a? bell-shaped distribution with a mean of 520 and a standard deviation of 105. complete parts? (a) through? (c)

Plz will give brainliest

Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey