exam Maths Puzzle Numerical Ability

1. Express the area of a 30-60-90 triangle as a function of the length h of the hypotenuse.

2. Express the area A of a equilateral triangle as a function of the perimetor P.

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exam Other Question

solve the rational enequality and graph the solution set on a real number line. express the solution set in interval notation.

x-9/x+1>0 What is the slope of the line whose equation is 3x-4y-16-0?

work:
3x-4y-16=0
-3x -3x
-4y=-3x+16
-4 -4

y=-3x+164