exam Maths Puzzle Numerical Ability

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

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exam Other Question

(a1/4b1/3)^3 (a1/6b2/3)^3

I have tried distributing the exponents to the top of the fraction and then adding the like terms. It just does not look right when I finish.
Complete the statement with always, sometimes or never

A right triangle will ? have an obtuse angle.