A circle has radius 5 units and the equations of its two diameter are 2x-y=5 and x-3y+5=0.find the equations of the circle and show that it passes through the origin.

What is the difference between regular convex and concave polygons

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Elizabeth is using a sample to study american alligators. she plots the lengths of their tails against their total lengths to find the relationship between the two attributes. which point is an outlier in this data set?