This diagram shows a pre-image △ABC , and its image, △A′′B′′C′′ , after a series of transformations. Please fill in the blanks and view the 4 attachments

Which of the following questions is a statistical question? (2 points) how many professional sport leagues are there? where do the professional sport leagues play? how many hours of professional training took place over the weekend? how many hours do you spend each week training for a sports league?

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2