exam
Maths Puzzle
Numerical Ability
ANNA HAS 12 BILLS IN HER WALLET, SOME $5 AND SOME $10 THE TOTAL VALUE OF THE BILLS IS $100. HOW MANY OF EACH BILL DOES ANNA HAVE?
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exam Other Question
Please help me! Simplify and evaluate (x^7y^-4z^0/5^-2x^3y^-8z^-9)^2 This is a homework question. Your help is appreciated.
Solve for x.
2x^2 = -9x - 9