exam Maths Puzzle Numerical Ability

the length of a rectangle is 3 inches longer than twice the width. It's area ia 90 sq. in. find the dimensions

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exam Other Question

In a recent survey, 66% of the community favored building a police substation in their neighborhood. If 14 citizens are chosen, find the probability that exactly 11 of them favor the building of the police substation. State the domain of the following
h(x)= 3x^2+5x-3