An empty shipping box has a mass of 2.75kg. an electronics store is packing 5 identical laptop in the shipping box. each laptop has a mass of 1.65kg. the cost of to ship the box was $40.00 for the first 5 kg and $3.15 for each kg over 5kg over . what was the cost to ship the packed box.

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)

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

Which one is the correct answer, and why?