Given the first term and the common difference of an arithmetic sequence find the explicit formula.

27.) a1 = 22, d = 3
(1 is a lowered power to a)

29.) a1 = 30, d = 8
(1 is a lowered power to a)

Determine if the equation defines y as a function of x: 2xy = 1. yes o no

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

Which of the following represents the factorization of the trinomial below? x^2+7x-30