Khloe used 2 1/4 gallons of paint on her living room walls. she used 4 times as much paint for her kitchen and dining room walls. how many gallons of paint did khloe use for the kitchen and dining room walls?

There is a line with slope 1/a going through the point (a, a²). find the equation of the line perpendicular to this line at this point. (don’t let this problem intimidate you! solve the problem as you would if i’d given you specific values. just use variables instead.)

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

Ten times the square of a non-zero number is eqaul to ninety times the number