Answer:
X=-36
Step-by-step explanation:
I hope this helps
Answer:
1,200
Step-by-step explanation:
1 meter = 1000 millimeters
20 centimeters = 200 millimeters
Answer:
The surface area of any prism is the total area of all its sides and faces. A triangular prism has three rectangular sides and two triangular faces. To find the area of the rectangular sides, use the formula A = lw, where A = area, l = length, and h = height.
Step-by-step explanation:
Answer:

Step-by-step explanation:
because you are finding the total they both had in September, you add. 12 + 9 = 21