exam Maths Puzzle Numerical Ability

Factor the expression completely.

9a^4 + 11a^3b + 2a^2b^2

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exam Other Question

The point (5, 4) lies on a circle. What is the length of the radius of this circle if the center is located at (3, 2)? Beth had 4,000 in her purse on tuesday. On Wednesday after making a deposit, she onle had 2,500, a decrease of 1,500. What was the percentage change from Tuesday to Wednesday?