Can someone please check to see if I selected the right answer... 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

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?