Helppp please and ty

Which matrix can be multiplied to the left of a vector matrix to get a new vector matrix ?

What is the equation of a vertical line passing through the point (−5, −1)? y = −5 y = −1 x = −5 x = −1

The length and width of a rectangle are consecutive even integers the area of the rectangle is 120 squares units what are the length and width of the rectangle