The model that economists use for illustrating the process of individual choice in a situation of scarcity is the sometimes also called the opportunity set, a diagram which shows what choices are possible.

consumption set
budget constraint
original budget
income cap

Sweater originally priced at $65 is on sale for 15% off.you also have a coupon that takes another $10 off.what percent of the original price do you pay?

Afish fossil is found in a rock. a foot bone and tooth are found in an older layer of the same rock. what can scientists learn from the rock? a) the area changed from land to water. b) the area changed from water to land. c) the area has always been land. d) the area was once an ocean.

In a cooking context,which of the following materials is the best heat conducter?