exam Maths Puzzle Numerical Ability

graph the parabola. find the vertex.
y=2(x+3)(x-1)

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exam Other Question

Determine the mean and standard deviation of the following set of sample data:

34, 24, 35, 33, 29, 47, 55

mean = ___________ S.D. = ____________ Three prizes are to be distrubed in a Creative Design Talent Search contest. the value of the second prize is five sixth the value of the first prize and the value of the third pr