From point a the angle of elevation to the top of the building is 25! . from the point b, 10 meters closer to the building, the angle of elevation is 35! . find the angle of elevation of the building from point c, which is another 10 meters closer to the building.

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.