What is the length of the y-component of the vector shown below?

A. 15.0
B. 77.3
C. 21.4
D. 20.7

The vertices of a rectangle are given in the columns of the matrix . if is found to perform a transformation, what are the coordinates of the transformed rectangle? (0, 0), (0, –3), (–3, –3), (–3, 0) (0, 0), (0, 3), (3, 3), (3, 0) (0, 0), (0, 3), (–3, –3), (–3, 0) (0, 0), (0, 3), (–3, 3), (–3, 0)

Use the distributive law to multiply. 3(4x + 5y + 6)

What’s 8y+48 and factor each expression completely