In ΔBCD, \text{m}\angle B = (8x+9)^{\circ}m∠B=(8x+9) ∘ , \text{m}\angle C = (5x+5)^{\circ}m∠C=(5x+5) ∘ , and \text{m}\angle D = (2x+1)^{\circ}m∠D=(2x+1) ∘ . What is the value of x?x?

2(n-1)+4n=2(3n-1)n=0no solutioninfinitely many solutions n= - 4 !

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

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.