Abeginner artist kit costs $6.35 and contains 2 brushes and 5 jars of paint. the standard kit has 4 brushes and 12 jars of paint and cost $13.20. assuming all brushes cost the same and all jars of paint cost the same, what are the prices of 1 brush and 1 jar of paint?

1- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis.2- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in the first question?

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase

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