exam Maths Puzzle Numerical Ability

Divide and simplify.

2z-2/77 divided by z-1/22z

Thank you for any help you can give me.

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exam Other Question

Hello! I need help on this problem for Systems of Equations: y=5x-2, 4x+3y=13. If you could help me finish this problem before tomorrow, that would be great!

Thank You!
Given the following functions:
f(x) = 3x^2 - 6x=5 and g(x) = x^2 + 5x-2, evaluate fog(-1) without finding the
composite function.