What is the probability that when a coin is flipped six times in a row, it lands heads up every time?

Which of the following points is collinear with (-2,1) and (0,3)

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

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle