What is the equation of the circle shown in the graph? (x – 3)2 + y2 = 4 (x + 3)² + y² = 2 x² + (y + 3)² = 4 x² + (y – 3)² = 2the answer is c

There are 18 female students and 16 male students in a class. which of the following expresses the ratio of female students to male students in simplest form? а) 10 b) 9 to 8 c) 8: 9 d)18/16