What is the value of c such that is a perfect-square trinomial?

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

Drag each expression to the correct location on the solution. not all expressions will be used. consider the polynomial 8x + 2x2 - 20x - 5. factor by grouping to write the polynomial in factored form.

Solve the inequaliy: (x^2+2)(x−2)^2(6−2x)> 0