Which equation shows the inverse property of multiplication?

a. 4 + (-4) = 0
b. -8 + (-3) = -3 + (-8)
c. 2 x 1/2 = 1
d. 8/5 + 0 = 8/5

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

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6