Complete the table of ordinary differences from these data: 1.20 1.25 1.30 0.1823 0.2231 0.2624 1.35 1.40 1.45 1.50 0.3001 0.3365 0.3716 0.4055 a. what degree of polynomial is required to exactly fit all seven points to within three significant digits? b. what polynomial of lesser degree will almost fit to the same precision? c. justify your answer to part (b).

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.

What are the digits that repeat in the smallest sequence of repeating digits in the decimal equivalent of 24/11?

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.