The average sale price of new one-family houses in the united states for 2003 was $246,300. using chebyshev's theorem, find the range of values in which at least 75% of the sale prices will lie if the standard deviation is $48,500. hint: you should memorize that when k is 2, it is 75% and when k is 3 it is 88.89%. answer with whole numbers: ex. 55,232 to 65,450 with commas

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.

Solve 3x-18=2y and 5x-6y=6 by elimination show work

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex