Might be A, I don’t know.
Answer:
When heated calcium carbonate forms calcium oxide and carbon dioxide.
if the length is 8ft and the width is (7+x) then the area would be 56+8x, if x is unknown.
Answer:
4/12 or 1/3
Step-by-step explanation:
there is a fraction of 4 hours in the 12 hours, so 4/12.
That can be simplified to 1/3.
Answer:
105
For the 4 triangular faces, find the area with 1/2 × base × height = 1/2 × 5 × 8 = 20
4 triangles -> 20 × 4 = 80
The area of the square base is 25
80 + 25 - 105 