A person in an apartmentbuilding sights the top and bottom of an office building 500 ft. away. The angle of elevation for the top of the office building is 23°and the angle of depression for the base of the building is 50°. How tall is the office building?

For a read-a-thon, jay and odhràn each started reading a book at the same time and continued reading for several hours. jay's book had 278 pages, and he read 55 pages per hour. odhràn's book had 238 pages, and he read 45 pages per hour. after how many hours did they have the same number of pages left, and how many pages were left?

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?

Adeposit of 5500 at 6% for 3 years equals