exam Maths Puzzle Numerical Ability

three times the square of a certain positive number exceeds the number six times by nine

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exam Other Question

solve the equation:
|3x+2|=7
thanks a bunch! Cara wants to invest $16,000 in certificates of deposit(CDs). For tax purposes, she wants her total interest per year to be $900. She wants to put $1000 more in a 2-year CD than in