Which set of ordered pairs represents a function? 0 (0.0), (1, 1), (2.0), (3, 3)
0 (2,5), (1, 6), (0, 5), (1, 10)
O (2.1), (3, 1), (5, 1), (5.4)
(5. 4). (4.5), (1, 2). (1.4)

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

Type the correct answer in the box. use numerals instead of words. if necessary use / for the fraction bar.

Nright triangle xyz, the right angle is located at vertex y. the length of line segment xy is 12.4 cm. the length of line segment yz is 15.1 cm. which is the approximate measure of angle yzx?