Rewrite the equation by completing the square.
x^2+ 4x = 0

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Luke wants to reduce the area of his rectangular garden by 1/4 the expression 14/w can be used to represent this change. what is another way to write this expression?