Find the circumcenter of the triangle ABC.
A(8,7), B(5,5), C(8,5).
The circumcenter is what?
(Type
an ordered pair.)

How many zeros does the function f(x)=4x3-x2+1 have

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?