C is the answer 12 marbles and 20 marbles
Find the area for each shape.
For the triangle face you would do 4 times 6 divided by 2. Then times it by 2 because there are two triangle faces.
For the rectangle face do 5 times 12, then times 3 because there are 3 triangle faces.
Finally add both numbers together to get the surface area.
Answer:
M ( -4,9)
Step-by-step explanation:
I think this answers all the parts
Hope this helped :)