Suppose a population has a parameter=0.25; how large should n be if we wish to guarantee a margin of error of no more than 2.5%?

The triangles in the diagram are congruent. if mzf = 40°, mza = 80°, and mzg = 60°, what is mzb?

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers