Arithmetic and Geometric Series

Find the indicated sum of the series if  $a_1=-3,\ r=-2,\ n=6.$  

Find the indicated sum of the series if  $a_1=58,\ n=18,\ a_n=14$  

Find the sum of the first 25 terms of the series: 6+14+22+30+...

Mike applied for a job at M&M Mars, in which the starting salary is $35,000. How much money will Mike earn, in total, after 10 years of employment if his salary increases by 3% each year?

Mike applied for a job at M&M Mars, in which the starting salary is $35,000. How much money will Mike earn, in total, after 10 years of employment if his salary increases by $1200 each year?

Which series are Arithmetic? (select ALL that apply)

Find the sum of the first 718 terms for the series

2 + 4 + 6 + ... + 1436

Find the indicated sum for the geometric series.

S₆ for (-4/5) + 8 + (-80) + 800 + ....

The local power company plans to raise rates to cover the increased cost of producing power. They determine the costs will increase by 4.2% per year for the next 10 years. If you paid a total of $1031.60 for power last year, what would you expect to pay for power over the next 10 years?

An employee has a salary of $48,000 per year. The employee is promised a $1,340 raise each subsequent year. Find the TOTAL earnings over a 5 year period.

(a)