Mrs. Smith made a table to show the hair color of the students in her classroom.

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

The map shows the location of the airport and a warehouse in a city. though not displayed on the map, there is also a factory 112 miles due north of the warehouse.a truck traveled from the warehouse to the airport and then to the factory. what is the total number of miles the truck traveled?

Simplify the expression below -3(10x+4y)+6(6x-2y)