A group of
72 people travel to the beach for a clean-up day. Some of the people bring their own supplies (such as gloves, water, and garbage bags). Supplies are provided for the rest of the people.

I don't uderstand that question but some people get suplies and other people get thier own

Step-by-step explanation:

c

step-by-step explanation:

c

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,