Can someone help me with this? Also please provide an explanation and I might mark you as the brainliest!

Which scenario is represented by the equation below?

A. Robert purchased a 36-inch piece of wood for a project. What is x, the number of feet of wood Robert purchased?

B. Tonya bought 12 pieces of gum for $0.36 each. What is x, the total cost of the gum?

C. Fiona is 12 years old. Her father is 36 years old. What is x, the difference between Fiona's age and her father's age?

D. Clay purchased 12 quarts of apple cider. He poured an equal amount of cider into 36 containers. How many ounces, x, of apple cider were in each container?