Right triangles abc and def are inscribed in the same circle. they do not overlap. where is the center of the circle located?

Zahra was given two data sets, one without an outlier and one with an outlier. data without an outlier: 15, 19, 22, 26, 29 data with an outlier: 15, 19, 22, 26, 29, 81

What is the binomial expansion of (2x-3)^5

How many $20 bills do you need to have to make $280