Sagot :
what is the 9th number? 8,5,2,1
a.-10 b.-16 c.-19 d.-22
b.-16
solution:
a.-10 b.-16 c.-19 d.-22
b.-16
solution:

the answer is A. -10
Explanation:
an=8+(-3)(n-1)
an=8-3n-3x-1
an=8-3n+3
an=-3n+11
Explanation:
an=8+(-3)(n-1)
an=8-3n-3x-1
an=8-3n+3
an=-3n+11