Write 9.12 as a repeating decimal into a mixed number in its simplest form

Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?

What is negative 3/9 times negative 2/8 ?

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