exam Maths Puzzle Numerical Ability

Geometry. Find the area of the rectangle with these sides:
One side: √3+√5
Another side: √3+√5

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exam Other Question

An investor receives $600 annually from two investments. He has $500 more invested at 8% than at 6%. What is the amount invested at each rate? The sides of a rectangle have lengths x+9 and widths x-3.Which equation describes the perimeter,P,of the rectangle in terms of x?
a.P=x^2 +6x-27
b.P=4x+12
c.P=x^2+12x-27
d.P=2x+6