exam Maths Puzzle Numerical Ability

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Page 230
Number 8

Find the area of a triangle whose altitude is 7 feet and whose base is 22 feet.

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exam Other Question

add the expression, finish in simplest form

4y/y^2+6y+5 + 2y/y^2-1

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ac Prove that the triangle with vertices (13,-1),(-9,3),and(--3,-9)is a right triangle.