You will need 1.36 cubic yards of cement.
You will need 0.56 cubic yards of concrete.
40.1 cubic yards
It depends on how deep the concrete. 600 sq ft at 6 inch deep is 300 cu ft = 11.1 yards. 12 inch deep is 22,2 yards; 4 inch deep is 5.5 yards
3880 cubic yards
1.19 Cubic Yards
about 5 yards if your slab is 4" deep
123.44 cubic yards
This is a volume requiring 11.1 cubic yards of cement.
2.2 Yards
How deep? 1 inch will take .7 yards
You'll need 1.23 Cubic Yards.
If the slab is the standard 4" deep, you will need at least 8.89 cubic yards.