I don't know if im just putting it in wrong but ive tried numbers 1-20 positive and negative and it keeps telling me its wrong no matter what numbers im putting in please help this is 244 points of my grade

In the proof of the triangle angle sum theorem, you must draw an auxiliary line. which construction must you use to draw this line?

The contents of 3838 cans of coke have a mean of x¯¯¯=12.15x¯=12.15. assume the contents of cans of coke have a normal distribution with standard deviation of σ=0.12.σ=0.12. find the value of the test statistic zz for the claim that the population mean is μ=12.μ=12.

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.