Solve the system of equations below by graphing both equations with a pencil and paper. what is the solution? y = -x + 21 y = -2x + 30

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made

The triangles are similar. what is the value of x? enter your answer in the box.