The circumference of a circle if 65π. in terms of pi, what is the area of the circle?

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

Place the following steps in order to complete the square and solve the quadratic equation,

: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?