exam Maths Puzzle Numerical Ability

Please help: Write 56^0 = 1 in logarithmic form.

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exam Other Question

A concrete mix is in volume proportions of 1 part cement, 2 parts water, 2 parts aggregate, and 3 parts sand. How many cubic feet of each ingredient are needed to make 54 cu ft of concrete? i have a problem with an equation.
8a+4a=144 i don't understand how to solve this equation