Is the sequence arithmetic? If so, how do you know? Given the sequence: 20, 26, 32, 38, . . .

yes

Step-by-step explanation:

it is

because difference between each two consecutive terms are equal

26-20=32-26=38-32

for the formula:

20 is the first term.

6 is the difference between each two consecutive terms

so:

idk

step-by-step explanation:

use that smart brain