Will make brainliest correct or first

Although changes result from business transactions, the equality of the fundamental bookkeeping equation must remain. t/f

If the discriminant if a quadratic equation is 4 which statement describes the roots?

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.