Pls answer all my questions the best answers get brainlest

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

Based on the figures as marked, /\rqs = —

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then