At 10 am the shadow of a post on a pergola is 12 feet long. at the same time the shadow of jimmy, who is 6 feet tall, is 7 feet long. what is the approximate height of the post?

The cost varies directly with the number of tickets purchased. it costs $145 for 10 people to attend a concert. a. what is the constant of proportionality (k)? b. write the direct variation equation. c. home much does it cost for 8 people? d. graph this situation. be sure to label each axis and give the graph a title.