What is the approximate volume of the cylinder? use 3.14 for π. cylinder with height of 22 centimeters and radius of 9 centimeters. 1782 cm3 13,678 cm3 5595 cm3 622 cm3

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations