In terms of paying less in interest which is more economical for a $ 50,000 mortgage a 30 year fixed - rate at 7 % or a 15 - year fixed - rate at 6 5 % How much is saved in interest ? Use the following formula to determine the regular payment amount. The buyer will save in interest approximately $

Keshawn needs to enclose a pen for her pigs. she only has 200 feet of fencing and wants to enclose the maximum area. she sets up the equation a = l(100-l) to find what the length of the pen should be. what does 100 - l represent? a) the width of the pen b) the length of the pen c) the area of the pen. d) the perimeter of the pen