Which is 23/5 expressed as a whole or mixed number? 335 425 435 515

The scatter plot graph shows the average annual income for a certain profession based on the number of years of experience which of the following is most likely to be the equation of the trend line for this set of data? a. i=5350e +37100 b. i=5350e-37100 c. i=5350e d. e=5350e+37100

How do i do this? i don’t understand

Polynomial that can be factored as (3x-4)(3x+4)