Find the circumcenter of the triangle ABC. A(5,3), B( -6, -7), C(5.-7).
The circumcenter is
(Type an ordered pair.)

For what values of b will f(x)= logbx be a decreasing function? (16 )

The jurassic zoo charges $14 for each adult admission and $5 for each child. the total bill for 77 people from a school trip was $565. how many adults and how many children went to the zoo? i

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)