Select all tables that represent a proportional relationship between x and y

The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?

Write 5 in the form of a/b using integers to show it as a rational number

Use the zero product property to find the solutions to the equation (x+2)(x+3)=12