Multiply the polynomial expressions below.(7x+5)(2x^3-4x^2+9x-3)

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 discovery has forced scholars to revise their estimation of the quantity and quality of jewish art?

Which of the following is a result of the low of food production