Five friends will pay $9 per ticket, $3 per drink, and $6 per popcorn at the movies. write an expression that could be used to determine the cost for them to go to the movies

$18n

Step-by-step explanation:

an individual will spend $(9+3+6) =$18

therefore, n friends will spend n*$18 = $18n

where n is the number of friends

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,