exam Maths Puzzle Numerical Ability

determine whether each equation defines y as a function of x....
A. 2x+y=8
B. 3x^2+y=14

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exam Other Question

3rd root of 108a^3bc^2

This is what I did next...108a^1/3b^1/3c^2/3

Now what?? The value of a "Mint State-63" (uncirculated) 1950 Jefferson nickel minted at Denver is 8/7 the value of a 1945 nickel in similar condition minted at Philadelphia. Together, the to