2 out of every 7 come on a weekend. what percentage of days come on a weekend? determine the answer to the nearest tenth of a percent

2x minus y equals 6, x plus y equals negative 3

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

Use the given information to determine the exact trigonometric value.