Can someone tell me the answer to this?

Answer choice B is incorrect

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

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 is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi