What is the equation of the circle with center (-3,5) and radius 1.2?

Thee blue triangle has rotated from quadrant i to quadrant iii about the origin. describe the effects of the rotation on the coordinates of the blue triangle.

Me. i can't figure out this question. give an explanation too. .

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?