Aline segment, st, has endpoints s(20,-3) and t(10,-1). which of the following equations represents the perpendicular bisector of the line segment?

a. y = 2x - 78
b. y = 5x - 67
c. y = -10x - 77
d. y = 5x - 77

In an experiment you are to flip a two sided coin 100 times and record 55 heads up and 45 tails up determine the theoretical and experimental probability of getting a heads up in the experiment.

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%