The angle of elevation of the top of a building from the foot of a tower is 30 degree and the angle of elevation of the top of the tower from the foot of the building is 60 degree. if the tower is 50 metre high. find the height of the building.

Tiffany drives 285,120 feet before lunch and 628,320 feet after lunch. about how many kilometers does she drive all together

Sheila wants to bake six muffins but the recipe is for 12 muffins . this means you only need half of the ingredients listed how much of the of each ingredient does she need? one cup and banana chips ,7 tablespoons oil , two eggs, 3/4 cups flour 1/4 cup walnuts show all you work and justify your answer using a baby toulmin.

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol