Which of the following is a triangular prism?

1.image of triangular prism
2.image of cube
3.image of cylinder
4.octagonal prism

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?

1foot = 12 inches; 1 yard = 3 feet

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle