16. Find the length of x.

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

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)