Which of the following is an arithmetic sequence? n
1
-1
2
3
3 4
-3-1
an
n
1
2
2
-2
3 4
6 -10
an
n
1
3
ON
3
9
4
15
an
n
1
4
2
14
3 4
24 32
an

Taking algebra two apex courses and need with these questions

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.

Solve the problem by making up an equation. a man could arrive on time for an appointment if he drove the car at 40 mph; however, since he left the house 15 minutes late, he drove the car at 50 mph and arrive 3 minutes early for the appointment. how far from his house was his appointment?