exam
Maths Puzzle
Numerical Ability
Find all the numbers for which the rational expression is undefined:
q^3-8a/q^2-64
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exam Other Question
a coffee merchant has coffee beans that sell for $9 a per pound and $12 per pound. The two types are to be mixed to create 100 pounds of mixture that will sell for $11.25 per pound. How much of each type of bean should be in used in the mixture?
Simplify:
radical z/y8 (z/y to the 8th power is inside the radical sign)