Acircle has a diameter of 20 inches. find the exact area and find the approximate area using π 3.14

Jayda's house is located at (1, 5). she can walk in a straight line to get to cristian's house. a fast-food restaurant is located at (11, 0) and partitions the way from jayda's house to cristian's house by a ratio of 5: 1. find the coordinate of cristian's house. me . im a little stuck

The system of equations graphed below has how many solutions?

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined