exam Maths Puzzle Numerical Ability

Zachary, Olivia, Destiny, Caleb, Christopher, Julia, and Brianna are 31,37,33,24,34,21, and 19 years old. Find each persons age.

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exam Other Question

I Need to collect the like terms of the following equation.
(6mn-m^2+10mn-5m^2)
But the answer I have doesnt look right, can you help me please? Can someone help me out on this problem?

I need to solve the following problem and show the equation used for the solution.

Jill has $3.50 in nickels and dimes. If she h