In each case determine whether you expect the two variables x and y indicated to
have positive, negative, or zero correlation.
1. the weight x of an automobile and
the fuel economy y in miles per
gallon.
positive correlation
zero correlation
2. the number x of pages in a book
and the age y of the intended
reader.
negative correlation
3.
the weight x of an automobile and
the reading y on its odometer.

The numbers on a football field indicate 10 yard increments. you walk around the perimeter of a football field between the pylons. you walk a distance of 30623 yards. find the area and perimeter of the indicated regions. write your answers as mixed numbers, if necessary. a. one end zone: perimeter: yd area: yd2 b. the playing field (not including end zones): perimeter: yd area: yd2 c. the playing field (including end zones): perimeter: yd area: yd2