How many terms this mathematical expression have? 2x^3-x^4+3-x^2+3x
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Evaluate 8j -k+148j−k+14 when j=0.25j=0.25 and k=1k=1.

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.

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