Question

8.A fireplace contains 46 bricks along its bottom row. If each row above decreases by 4 bricks, how many bricks are on the 12th row?i need to know if i would use the formual for an arithmetic sequence, arithmetic series, geometric sequence, or geometric series to solve this

Answer 1

arithmetic : something is added or subtracted
geometric : something is multiplied or divided

here 4 bricks are getting "subtracted" as we go up the row..

which sequence it is ?

Answer 2

is it an arithmetic sequence

Answer 3

perfect you got it now.... :) !!

Answer 4

awesome :) thanks you!!

Answer 5

yw .. :)