exam Maths Puzzle Numerical Ability

The Nys had eight grandchildren in 2002. In 2003, they had 12 grandchildren. Find the percent increase in the number of grandchildren from 2002 to 2003.

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exam Other Question

Graph the parabola. to graph a parabola, plot the vertex and four additional points, two on each side of the certex.

y=(x-3)^2+4
The price of an item is fiven by p=2x^2-100. Find the polynomial that represents the revenue generated from the sale of x items.