Reduce 20/60 to its simplest form
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Two corresponding sides of two similar triangles are 3cm and 5cm. the area of the first triangle is 12cm2. what is the area of the second triangle?

Find the amount of simple interest earned for depositing the given principle in an account if $2200 is invested at 5.5 % for 6 months

How many and of which kind of roots does the equation f(x)=2x^4−9x^3+17x^2−16x+6 have?