exam Maths Puzzle Numerical Ability

A purse containing $3.20 in quarters and dimes has, in all, 20 coins. Find the number of each kind of coin.

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exam Other Question

Give answer in a + bi form.
-4/i^10 #2 Find the equation in slope intercept form of the line that passes through the points (-5,2) and (-4,1). Please break it down for me to understand
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