A government agency constructs a 95% confidence interval to estimate the mean amount of pollution in a
city's river. Assume that all conditions have been met.
The one-sample t-interval is (1.26, 3.91).

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Aline passes through the point (–7, 5) and has a slope of 1/2 which is another point that the line passes through?

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.