What are the coordinates of the vertex

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?

In stepmber, daniel and justin opened a business. during their first three months of business, their average monthly profit was $51. if during their first month, they lost $29, and during their second month, they gained $115, what was their profit or loss for their third plzzz i will give you 299 points

Find the length of the radius of a circle with the center at -7+2i and a point in the circle at 33+11i