When rick measures the shadow of a yard stick ,it is 7 inches. At the same time ,the shadow of the tree he would like to chop down is 42 inches. How tall is the tree in yards?

Aperpendicular bisector, cd is drawn through point con ab if the coordinates of point a are (-3, 2) and the coordinates of point b are (7,6), the x-intercept of cd is point lies on cd.

X+ y = 5 ; x - y =3 solve using linear combination

Ametal rod is 2/5 meters long. it will be cut into pieces that are each 1/30 meters long. how many pieces will be made from the rod?