Question

CAN SOMEONE HELP THIS IS TIMED

1.) What is the formula for the nth term for the following sequence?
12, 9, 6, 3, …
2.)Find the common difference.
1.1, 1.2, 1.3, 1.4, …

Answer 1

1). -3 2). plus 0.1

Explanation:

ye

Answer 2

i belive

1) an=−3n+15

This is the formula of an arithmetic sequence.

an=a1+d(n−1)

2) b. 0.1

1.1+0.1= 1.2

1.2+0.1= 1.3

1.3+0.1= 1.4

Explanation:

i think this is right, sorry, hope this helps!