Abuilding casts a shadow that is 72 feet long. a garage next to the building is 27 feet high and casts a shadow that is 4.5 feet long. what is the height of the building?

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;

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

Choose the more precise measurement. 26.4 cm or 8.39 cm