A cigarette manufacturer claims that his cigarettes have an average nicotine content of only 1.83

milligrams. To verify his claim, a sample of 8 cigarettes are tested and were found to have a nicotine content of 2.0, 1.7, 2.1, 1.9, 2.2, 2.1, 2.0 and

1.6 milligrams with standard deviation 0.21. At 5%

level of significance, would you accept the

manufacturer's claim?

Use the graph of the sine function y=2sinθ shown below

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.

Ab and bc form a right angle at point b. if a= (-3,-1) and b= (4,4) what is the equation of bc?