The upper limit of a confidence interval at the 99% level of confidence for the population proportion if a sample of size 100 had 40 successes is: Select one:
O a. 0.304
b. 0.405
Ос. 0.526.
O d. 0.481

Apolynomial function has a root of –6 with multiplicity 1, a root of –2 with multiplicity 3, a root of 0 with multiplicity 2, and a root of 4 with multiplicity 3. if the function has a positive leading coefficient and is of odd degree, which statement about the graph is true?

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.