exam Maths Puzzle Numerical Ability

I need help combining logarithims: A. 2ln(axy)-(1/3)ln(z)+(1/3)ln(b) B. log(P+Q)-2(log(A+B)+Rlog(Z) Thanks, Bennie :)

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exam Other Question

x^2+x-4 a professional stunt performer at a theme park dives off a tower 21m high into the water. his height above the ground at time t seconds is given by the equation h=-4.9^1/2+211

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