Select the best answers.

20.39
+ 33.63
+ 28.06
+ 42.91
23.59
+ 34.94
+ 25.48
+ 9.07
19.72
+ 15.98
+ 39.92
+ 19.80
6.60
+ 16.50
+ 23.72
+ 27.99
15.14
+ 9.55
+ 43.89
+ 28.59