A convex polyhedron has (4a) faces, (6a) vertices, and (8a+2) edges. What is the value of a? Euler’s formula: V + F = E + 2

Acity plans to build a new rectangular-shaped park. the perimeter of the park will be 940 meters. the width of the park will be 300 meters. what will be the length, in meters, of the new park?

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10

How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !