exam Maths Puzzle Numerical Ability

This is combining rational expressions with an unlike denominator.

((x^2+2)/(x^2+2x-15)) + ((7-4x)/(15-2x-x^2))

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exam Other Question

(3st)2nd power u-4power,divided by s-1 power t 2power u 7power In 2002, the price of mailing a letter was $.34 for the first ounce or part of an ounce and $.21 for each ounce or part of an ounce after the first ounce.

a. Write a rule to des