hey there ..
plz show the graph also ..
Answer:
<h2>x = -4 and y = -1 → (-4, -1)</h2>
Step-by-step explanation:

Answer: 15 ft
Step-by-step explanation: shadow / height
8.4/6=1.4
21/1.4=15
The answer is 394 feet per hour and also good luck to what ever you working on