Aclass has 15 students; 8 females and 7 males. the teacher wants to form a group of 3
students to present the results of their class project to the board of education. what is the
probability that the group of three will consist of all females? you can leave your answer
as an unreduced fraction.

What is the slope of the line shown below?

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)

Perry observes the opposite parallel walls of a room in how many lines do the plains containing the walls intersect