Emilio is designing the packaging for a new MP3 player. The box for the MP3 player is 5 cm by 3 cm 2 cm. Emilio needs to find the surface area of the box. Label: cm sq or centimeters squared

Arectangular garden is 5 feet long and 3 feet wide. a second rectangular garden has dimensions that are double the dimensions of the first garden. what is the percent of change in perimeter from the first garden to the second garden?