Math problems about what?

Anything

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Math problems about what?

Anything

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1.) Simplify: 2(5)2 – 6(-2)3 + (3 – 7)3

2.) Paul is 20 years older than Jason. In 12 years, Paul will be twice as old as Jason will be then. How old is Paul now?

3.) Julie’s average for four tests is 88.5. If she wants an average of at least 90 in the five tests, what score must she get in her last test?