WILL MARK BRAINLIEST AND 50 POINTS AND NEED THIS FAST ALSO!!!

10 - 8 = -2

  8 - 6 = -2

etc, so -2 is the common difference

step-by-step explanation:

yes, i think so although i am not sure. this is a very strange question.

c.

step-by-step explanation: it's not a. because 1/3 x 1/3 x 1/3 = 1/27 so that's not correct. | b. is also not correct because 7 x 7 1/3 is not actually 3 x 7 1/3 . and for d. multiplications are not additions so that left you with c. ( hope this out : d )

assuming "divided his salary into two" means in half,

he has 215 remaining, plus 200 he originally had before buying a watch

he originally has $415 in his personal account

if this is half the salary, 415 times 2 is $830

his salary would have been $830.