Answer:
4 x 3
Step-by-step explanation:
The order of a matrix is given by stating the number of rows followed by the number of columns.
The matrix here has 4 rows and 3 columns thus order is
4 x 3
Area = (x+6)(x+2) = x^2 + 8x + 12
Answer:
20
Step-by-step explanation:
360÷18=20
thus ,the polygon have 20 sides
The formula of a midpoint of AB:

We have:
G(b; 0); F(3b; 2b)
substitute:

Answer: (2b, b)