Please help me by finding out what the FICA taxes are

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

What number line represents the solution set for the inequality -1/2 greater than or equal to 4

Graph the line y=4/3 x+1 . use the line tool and select two points on the line.