Use the diagram above to answer these questions, in which H is the circumcenter of triangle BCD, and BC = 16 and HD = 15

Which triangles area would be calculated using the trigonometric area formula

At a lunchron, guests are offered a selection of five different grilled vegetables and four different meats. in how many waya could one choose three vegetables and two meats?

Hiroaki wants to find 3 3/4 - 7/8 explain why he must rename 3 3/4 to do the subtraction.