Belinda wants to introduce a new model to the product line. Three models are being developed. Belinda can choose only one. She has decided to focus on target market size, production costs, and net profits. These are Belinda's .

Which statement is a good description of a model? a) models are a description of nature based only on one or two variables. b) models are testable ideas but they are not very to most people. c) models are a description of nature that predicts more accurately than real events. d) models are an approximiation of a real system that omits all but most essential variables in a system.

Which action would the president's political party most likely take to resolve this issue

Why did working women earn one-thrid to one-half as much as men