d = a5 - a4 = 2 - 3.8
d = - 1.8
a1 = 9.2 (given) so that A and B are both incorrect
an = 9.2 + (n - 1)*(d)
an = 9.2 + (n - 1)*(-1.8)
You need not go any further. The answer is D
Answer:
8%
Step-by-step explanation:
Are the 1 and 7 rogether? because if so then -20, -2, 4, 16, 17, if not then -20, -2, 1, 4, 7, 16
