Ok sofia i could get some on this, it would be awesome : ) question: given the arithmetic sequence, 15, 18, 21, 24 write the explicit formula for the sequence part b: find the 56th term.

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.