the main sailboat has the dimensions shown in figure at the right . what is the height of the main sail?

Quick! what is the area of this trapezoid?

Select the correct answer from the drop-down menu. subtracting 3xy^2 from 8xy^2 gives the same result as the expression. [tex]3xy ^{2} - 8xy ^{2} [/tex][tex] { - 7xy}^{2} - {2xy}^{2} [/tex][tex] {7xy}^{2} - {2xy}^{2} [/tex]

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)