What's your real rate of return if your savings account pays 2.5% interest and inflation is at 1%?
A 1.5%
B. 2.5%.
C. 3.5%
D. Can't calculate.

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.

How did the romanov dynasty increase russia's power?

Which factor contributed to the rise of african empires such as ghana and mali ? a. their creation and involvement in trade networks b. they focused only on agricultural production. c. they didn’t engage in warfare with other nations d. their geographic location protected them from attacks.