A kite flying in the air has a 10-ft line attached to it. Its line is pulled taut and casts a 7-ft shadow. Find the height of the kite. If necessary, round your answer to the nearest tenth.

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.