Solve 6*d + 21 = -5*i + 2*d, 0 = -3*i - d - 7 for i.
-
What is the a'th term of 105, 135, 167, 201, 237, 275, 315?
-
What is the u'th term of 22, 47, 88, 145, 218, 307, 412?
-
What is the y'th term of -1704, -1705, -1704, -1701?
-
What is the n'th term of 5, 42, 113, 218, 357, 530, 737?
-
What is the r'th term of -336, -670, -1004?
-
What is the w'th term of 3749, 7498, 11247, 14996, 18745, 22494?