If your annual income from a part-time job is $2,698, and the inflation rate is 4 percent, what is the purchasing power of your income?

How to do this , and can some one explain

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap

Write the equation in logarithmic form 8^x=64