Can someone please give me the (Answers) to this? ... please ...

How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a. about 4 b. about 8 c. about 40 d. about 21

Do, h = (7, 9) (14, 18) the scale factor is

See attachment below and find the equivalent of tan(∠qsr)