book Maths Puzzle Numerical Ability

Reduce the following expression to lowest terms:

x^2 - 9x + 14/5x^2 - 20

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book Other Question

needing help!!!
a bank account yields 7 percent interest, compounded annually. if you deposit $1,000 in the account, what will the account balance be after 5 years?
Evaluate this expression:

a/b for a = 2/3 and b = -5/6