Find the slope of the line ( pls answer fast)

Which table represents a linear function? i'll give brainliest to first answer ^'^

Precalculus question, image attached.

The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant. given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.