What is the common difference, the general term equation, and the 12th term of the arithmetic sequence? a is do is on in -10 -11 -12 -13 -14 Hint: an = al + d(n - 1), where an is the first term and d is the common difference. O d = 4, an = 4n - 7, a12 = 41 O d = -4, an =1 -4n, a12 = -47 O d = 4, an = 4n - 1, a12 = 47 O d= -5, an =2 - 5n, a12 = -58How many terms are in the arithmetic sequence 6, 2, 2, . . . , 102? Hint: an : a1 + d(n 1) where (:1 is the first term and d is the common difference O27 O28 029 030 Find the sum of the first 20 terms of an arithmetic series defined by: 3, 10, 35... 0 3,040 0 2,790 0 2,045 0 3,100 Consider the arithmetic sequence presented in the table below. What is the first term, (11, and the 22nd term of the sequence? an 16 115 Hint: an : a1 + d(n , 1), where (11 is the first term and d is the common difference. 0 a1 =7, a22=70 0 a1 =3, a22=148 O (11 =7,a22 =68 0 0,1 =3, 0,22 = 150 For a given series, 81 = 2, 52 = 14, and 83 = 36. What is the 3rd term in the sequence? A newly drilled water well produces 150,000 quarts of water per week. With no new water feeding the well, the production drops by 3% per year. Using 52 weeks in a year, what is the total number of quarts of water that can be drawn from this water well before it goes dry? 0 7.8 x 106 quarts O 5.0 x 106 quarts O 2.6 x 108 quarts O 3.2 x 108 quarts What is the first term of the geometric sequence presented in the table below? an 84 2,688 Hint: an = a1(r)" 1, where 0,1 is the first term and r is the common ratio. 0119; Oa1:21 Oa1:21 O (11:28 The repeating decimal 0.555 can be represented as the sum of a geometric sequence where a is the first term and r is the common ratio, then: O a = 0.1 and r = 0.5 O a = 0.5 and r = 10 O a = 5 and r = 0.5 O a = 0.5 and r = 0.1