The area of the region under the curve given by the function f(x) = 2x2 + 6 on the interval [0, b] is 36 square units, where b > 0.

What the value of b?
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Which expression is equivalent to? assume x > 0 and y > 0.

The area of square garden is 300m squared. how long is the diagonal?

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square