exam Maths Puzzle Numerical Ability

Give two instances to this pattern and give a counterexample.

m + m + m + m = 4m

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exam Other Question

find the coordinates of the midpoint of each segment with the given endpoints:
E(-1,-3) and F(-3,-5)
what is the function rule if:
x f(x)
-1 1
-2 8
-3 27
-4 64