The supply curve for oil shows: a. the quantity of oil supplied at different income levels. b. the supply of oil when there is a surplus or shortage. c. the supply of oil at different prices of other goods. d. the quantity of oil supplied at different prices of oil.

The demand curve determines equilibrium price in a market. is a graphical representation of the relationship between price and quantity demanded. depicts the relationship between production costs and output. is a graphical representation of the relationship between price and quantity supplied.

Penny poodle wanted to know which dog obedience training program was more effective: puppy pride, the approach she has been using for any years, or doggie do-right, a new approach. penny convinced 50 human companions of untrained dogs to participate in her study. the dogs and their humans were randomly assigned to complete the puppy pride or doggie do-right course. at the end of the training programs, all of the dogs were scored on their level of obedience on a standardized dog obedience checklist (scores could range from 10 to 100). the design of this study is:

The notarial evidence form is completed by