Your $290 paycheck isn’t coming for another 10 days, and you must pay $215 now. You withdraw all $72 from the bank and go to a payday lender to get the money today. They will charge you 15% interest. How much total will you owe the payday lender in 2 weeks.

Which of the following answers is 7/9 simplified? 7/9 2/9 11/9 2/7

As part of an annual fundraiser to raise money for diabetes research, diane joined a bikeathon. the track she biked on was 1,920 yards long. diane biked 38.5 laps. her sponsors agreed to donate an amount of money for each mile she biked. how many miles did she bike? first fill in the blanks on the left side using the ratios shown. then write your answer. given ratios: 5280ft / 1 mi , 1 mi /5280 ft , 1,920 yards / 1 lap , 1 lap / 1,920 yards , 3 ft / 1 yard , 1 yard / 3 ft. blanks: 38.5 laps / 1 yard x (blank) x (blank) x (blank) = (blank) miles i'm really confused on how to do this, and the explanations aren't exactly . if you could walk me through how to do this, it would be greatly appreciated.

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=