Which choice is equivalent to the expression below?
-20

The table shows the webster family’s monthly expenses for the first three months of the year. they are $2,687.44, $2,613.09, and $2,808.64. what is the average monthly expenditure for all expenses?

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

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