What is the value of A when we rewrite 32/5^-2x as A^{x}?

What number should be added to both sides of the equation to complete this square? x^2-10x=7

Use set builder notation to represent the following set: { -3, -2, -1, 0}

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?