exam Maths Puzzle Numerical Ability

Factor:


9x^2 - 21x + 10

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exam Other Question
How solve this: To calculate exponents, natural logarithms, and base 10 logarithms in an Excel spreadsheet:


For data in cells A1, B1 these are
=A1^B1 to raise A1 to the B1 po you are deciding between two cars with different engines and want the bigger of the two. One engine displaces 350 cubic inches. The other displaces 5,500 cubic centimeters. By how many cubic centimeters is the bigger engine larger than the smaller one?