Consider a system of linear equations Ax=b. Why is it essential for the coefficient matrix of the system A to have a non-zero determinant |A|≠0 in order to be able to find a unique solution that satisfies all of the equations simultaneously?

Ac contractor is building a new subdivision outside of the city. he has started work on the first street and is planning on the other streets to run in a direction parallel to the first. the second street will pass through (-2,4) find the equation of the location of the second street in standard form. a.2x+y=2 b. x-y=2 c.2x+y=2 d.x+y=2

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

What does the relationship between the mean and median reveal about the shape of the data