If 9 3 2 (3
−

2 )– 27
3
3 2
3 =
1
27
then prove that m – n = 1

What is the sum of these mixed numbers 2 1/8 + 4 3/8

Jackie purchased 3 bottles of water and 2 cups of coffee for the family for $7.35. ryan 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?

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1