6. Richy has a bag of marbles. He gave 5/12 of the marbles to his friend. What fraction of the
marbles does Richy have left?
A. 7
B. 7/12
C. 13
D. 5/6

If you want to place an 8 ½ inch towel bar in the center of a door that is 25 ½ wide, how much space will be on each side of the towel bar?

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n