1. (9 pts.) Suppose that a convex polyhedron has 4 pentagon faces, 2 square faces, and 8 triangle faces. A 2-D net of the 3-D polyhedron is provided below. How
many edges and vertices does the polyhedron have?

Which fraction below is equivalent to 10/12?

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?

Ammonia molecules have three hydrogen atoms and one nitrogen atom. how many of each atom arein five molecules of ammonia