HELP PLEASE which table represents a nonlinear function?

a. x y
2 -9
4 1
6 11

b. x y
2 -14
4 -16
6 -18

c. x y
2 0
4 6
6 16

d. x y
2 -9
4 -6
6 -3

Find percent notation for 0.008 0.008=

The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.

An arithmetic series a consists of consecutive integers that are multiples of 4 what is the sum of the first 9 terms of this sequence if the first term is 0