Answer:
6:30
Step-by-step explanation:
20+16+6= 42
72-42=30
there are 30 rocks that are slate
Answer:
25 centimeters
Step-by-step explanation:
1 meter is 100 centimeters.
10 ÷ 4 = 25
Answer:
672,800
Step-by-step explanation:
672,800 672800
Please, Karla, explain what "C" and "n" represent. Are you talking about combinations (for example, n+2 objects taken n at a time? Or is C some kind of function? I don't quite see the relationship of this problem to 'data management.'