What is this math question -22a =462

How many grams must be adde to 970g to make 1 and a half kg

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

Which is the graph of f(x) = (4)x? image for option 1 image for option 2 image for option 3 image for option 4