Can someone give me the coordinates that each option should be placed at??? hurry please!

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9

Draw a scaled copy of the circle using a scale factor of 2

Elizabeth is using a sample to study american alligators. she plots the lengths of their tails against their total lengths to find the relationship between the two attributes. which point is an outlier in this data set?