What is the constant of proportionality between y and x in the graph? (WILL MARK BRAINLIST IF RIGHT!)

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

Libby built a fence that was 56 \text { feet}56 feet long over 44 days. she built the same length of fence each day. how many inches of fence did libby build each day?

Which sequence is arithmetic? 6, 12, 15, 21, 7, 14, 21, 36, 8, 16, 32, 64, 9, 18, 27, 36,