exam Maths Puzzle Numerical Ability

26. Find values for m and b in the following system so that the solution to the system is (-3,4).

5x+7y=b
mx+y=22

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exam Other Question

What is the monomial that can be factored out of 4x^2 + 12x + 16? is has four choices to choose from...
(a) 2
(b) 2x
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