A store prints a request on each receipt asking
customers to fill out a satisfaction survey online
if they are willing
What type of sample is this?

Simple random sample
Stratified random sample
Cluster random sample
None of the above

I believe stratified random sample

Step-by-step explanation:

Volentary response sample

Step-by-step explanation:

Because the store is offering the customers the servey to take it makes it a volentary action.

answer:  

step-by-step explanation:

here x represents the height of the pole,

and, the height of the shadow of the pole is 12 feet.

also, the angle of elevation from the top of the pole is 40°,

therefore,

by the low of sine,

which is the required equation for finding the value of x,

step-by-step explanation:

x^2 -12x + 36 + y^2 = 36

x^2 + y^2 = 12x

r^2 = 12rcos(theta)

r = 12 cos(theta)