If Nelly makes 8 dollars an hour and she starts by owing her mother 7 dollars, how many hours will she need to work to pay her back and still have 49 dollars in her account. Write the equation and solve for the variable, b. A. b = -1
B. b = 49
C. b = 21/4
D. b = 7

Can someone explain to me how to do

Can you me with this question? i'll reward *30 points i just need with this one question so that i could solve the others. * edit: i originally set up the question to reward 30 points, but for some reason i can only reward 15. if you don't get 30, then i'm sorry. i'm still kind of new to this site

The first term of a sequence is -12. the recursive formula for the sequence is an = an-1 + 9. what are the next 3 terms in the sequence? a) -3, -15, -27 b) -3, 6, 15 c) -3, -6, -3 d) -3, -6, 3