If x=5 what is the perimeter of the rectangle whose length is 6x-4 and 3x+2

Solve the system of equations. y= 2x y= x^2 - 15

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?

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)