Which of the following is not an arithmetic sequence?

1,2,3,4,5,

2,4,8,16,32,

15,9,3,-3,-9

Ngrid mixes 3.6 pounds of almonds with some raisins to make a trail mix. she divides the trail mix into 12 equal portions. each portion weighs 0.7 pound. how many pounds of raisins did she use to make the trail mix? express the answer to the nearest tenth.

Agrain trader buys the following amounts from three suppliers: 3,200 pounds, 5,100 pounds and 700 pounds. what is the total weight of his purchase?

If you shift the linear parent function, f(x)=x, up 13 units, what is the equation of the new function?