exam Maths Puzzle Numerical Ability

Evaluate: cube root 3 square root sign −8

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exam Other Question

In a collection of dimes and quarters, there are seven more quarters than dimes. How many dimes and quarters are there if the collection is worth $3.50?
What is the equation for this? i was wondereing if there were any lessons on your website that shows the following problem: Factoring axsquared+bx+c. I need all the help i can get. thanks.