exam Maths Puzzle Numerical Ability

3x+4y=12 (0, ),( ,3/4),( ,0),(8/3, )

Complete the ordered pairs so that eachis a solution for the given equation

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exam Other Question

how do you find an equation of a line?

1.) (2,5),m=5
a)Mary invested $600 at the Royal Bank at an interest rate of 3.6% per year.How much money will she have after 12 years?
b)The half-life of radium is 1400 years. If there was 800 grams of radium, how much will remain after 5000 years?