The ratio of athletes to non-athletes at Browns Primary School is 3:4. If
there are 225 athletes in the school,
how many non-athletes are there?

The triangles are similar. what is the value of x? show your work.

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect