Integrate the integral 2v/1-v^2

What is the vertex form of f(x) = x2 + 6x + 3

The equation x2 – 1x – 90 = 0 has solutions {a, b}. what is a + b?

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2