For what value of k are the lines 2x + 3y = 4k and x - 2ky = 7 parallel?

Use the multiplier method to incrases £258 by 43%

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?

Is it true or false i’m trying to pass this test so i can leave school