exam Maths Puzzle Numerical Ability

Complete each ordered pair so that it satisfies the given equation.
Y=3X+9: (0, ), ( ,24), (2, )

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exam Other Question

Solve the following systems by addition. If a unique soution does not exist, state whether the system is inconsistent or dependent.

x + 5y = 10
-2 - 10y = -20 Can you please help me with this question.
The problem is 5^x-2=4^x-1. The answer I came up with is log4 but that doesnt seem right can you help? Thanks