Jack looks at a clock tower from a distance and determines that the angle of elevation of the top of the tower is 40°. john, who is standing 20 meters from jack as shown in the diagram, determines that the angle of elevation to the top of the tower is 60°. if jack’s and john’s eyes are 1.5 meters from the ground and the distance from jack's eyes to the top of the tower is 50.64 feet, how far is john from the base of the tower? round your answer to the nearest tenth. 24.5 meters 16.1 meters 22.2 meters 18.8 meters

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

If a sprinkler waters 1 over 12 of a lawn in 1 over 2 hour, how much time will it take to water the entire lawn? (5 points) 10 hours 6 hours 1 over 6 hour 7 over 12 hour

Acompany that makes? hair-care products had 5000 people try a new shampoo. of the 5000 ? people, 35 had a mild allergic reaction. what percent of the people had a mild allergic? reaction?