exam Maths Puzzle Numerical Ability

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

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exam Other Question

This is combining rational expressions with an unlike denominator.

((x^2+2)/(x^2+2x-15)) + ((7-4x)/(15-2x-x^2)) How do you find the area of a right triangle when the height is not known, and the only angle known is 90 degrees. I know that length of the base is 5.56 and the length of the longest side is 1134.4