the point of concurrency of the perpendicular bisectors of a triangle is called the

circumcenter.

centroid.

orthocenter.

incenter.

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

Abus travels 36 miles in 45 minutes. enter the number of miles the bus travels in 60 minutes at this rate.

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?