Maritza is playing a computer game to her learn about science. her scores for the first six games were 11,12,10,8,14 and 15 how many points does she need to earn on the next game so that her average score for all games is 12 points.
a) 2
b) 11.6
c) 14
d) 14.5

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field