martes, 25 de febrero de 2014
miércoles, 12 de febrero de 2014
martes, 21 de enero de 2014
· A. A rectangular garden measuring 12 meters by 16 meters is to have a pedestrian pathway installed all around it, increasing the total area to 285 square meters. What will be the width of the pathway?
· B. During practice, a softball pitcher throws a ball whose height can be modeled by the equation h = -16t 2 + 24t +1, where h = height in feet and t = time in seconds. How long does it take for the ball to reach a height of 6 feet?