Use the balanced scale to find the conversion factor that can be used to convert the number of block to the weight of the block in pounds

2(n-1)+4n=2(3n-1)n=0no solutioninfinitely many solutions n= - 4 !

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done