4. neighborhoods karla, john, and mandy live in
three houses that are on the same line. john lives
between karla and mandy. karla and mandy live a
mile apart. is it possible for john to be a mile from
both karla and mandy?

In triangle abc segment de is parallel to the side ac . (the endpoints of segment de lie on the sides ab and bc respectively). find de, if ac=20cm, ab=17cm, and bd=11.9cm;

What is the solution of sqrt x+2-15=-3

Which formula finds the probability that a point on the grid below will be in the blue area? p(blue) = total number of squares number of blue squares number of blue squares p(blue) = total number of squares number of blue squares p(blue) = number of white squares