ANSWER(S) ?
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Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?