Step-by-step explanation:
that is the answer up there couldn't write it down
Answer:
9. 
10. 
Step-by-step explanation:
9. Given the sequence

In this sequence,

Note that

then the common difference in this sequence is 
You have

then the explicit formula is

10. Given the sequence

In this sequence,

Note that

then the common difference in this sequence is 
You have

then the recursive formula is

Answer: 3 x 16j
Step-by-step explanation:
3(8j +6) +2j
3 x 14j+2j
3 x 16j
The first blank is 121 and the second blank is 144
10x+18<-2
10x+18 - 18 <-2 - 18
10x < 16
10x/10 < 16/10
X < -2