exam Maths Puzzle Numerical Ability

Factor. Check by multiplying the factors. If the polynomial is not factorable, write prime.

72-17z+z^2

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exam Other Question

directions: solve the equation for p. (rad)2p=4. i'm thinking the answer is p=98 or p=49. which ones correct? if they're both wrong then what would be the right answer? How would you write ln0.2=-1.6 in exponential form and how would you make e^-4=0.0183 into a logarithmic form?