Which of the following are one dimensional and have infinite length

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

Write the equation in logarithmic form m^x=n

Which question is not a good survey question? a.don't you agree that the financial crisis is essentially over? 63on average, how many hours do you sleep per day? c. what is your opinion of educational funding this year? d.are you happy with the availability of electronic products in your state?