exam
Maths Puzzle
Numerical Ability
simplify
5 times the square root of a^2y^6 times 3 times the square root of ay^2
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exam Other Question
Molly Pritchard invests $4000 in bonds paying 11 1/2% simple interest and $5000 in bank accounts paying 9.1% simple interest. Which investment yields more interest in one year? How much more?
if f(x)=4x-3 find the following:
f(-1)