Urgent me with this math question

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?

This graph shows a portion of an odd function. use the graph to complete the table of values. x f(x) −2 −3 −4 −6

If a + b = 28 and a - b = 10, then b =?