K=3 1.5 so i need this for stupid pre algebra and my teacher is too stupid to see every student is falling behind . it even worse for me because im 13 and in the 9th grade which puts me behind socially and physically and mathematically so can anyone it hard when your teacher doesn't really teach the right way and your trying to get a good education

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

The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212

What is the value of x? enter your answer in the box.