Answer:
B and C
Step-by-step explanation:
(-7)•8z = -56z
(-4)•(-7)=28
and
40•(-1.4)= -56z
40•0.7= 28
Answer:
350.82
Step-by-step explanation:
To find the surface area, you must add up all of the areas of each shape of the prism in order to get the sum surface area.
The rectangle's area (
):

The triangle's area (
):


Now add up all the sides. (3 Rectangles, 2 Triangles.)


The total surface area is 350.82 cm squared.
20 because 19 16/33 is the exact answer. Since they ask about how much that can be rounded up to 20
There are 6 balls to every box (a ratio of 6 to 1). Therefore, when there are 78 balls, there are 13 boxes.
Answer:
B.
Step-by-step explanation:
(1,-8) sorry if you needed an explanation i am not good at that. Hope this helped!!