Factor (4x^3 - 20x^2) -(9x + 45)

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long. at what angle is the sun above the horizon at that time?