The prime factorization of a number is 2x2x3x7x7. Is the number a perfect square? how do you know ?

Part of the total score for each program is the sum of five program component scores. on the free program, the sum of these five program component scores is multiplied by a factor of 2.0. yuzuru hanyu, of japan, earned scores of 9.07, 8.96, 8.89, 9.21, and 9.36 for the program components portion of his free program. how many total points did he receive for this portion?

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)