In the figure the triangle is right triangle at *Y* and *N* is the foot of the perpendicular from *Y* to XZ. Given that XY=6 cm and XZ=10 cm. What is the length of XN

The volume of a cube-shaped shipping container is 13,824 cubic inches. find the edge length of the shipping container.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.