In a class of 38 students 26 play football and play 20 long tennis, if 17 play above, many play neither?  Choose the correct choice:
A) 6	B) 8	C) 9	D) 12	E) 14
26 + 20 - 17= 
<gadget id="calculator">26 + 20 - 17</gadget>
<output>29</output>
29   38 - 29= 
<gadget id="calculator">38 - 29</gadget>
<output>9</output>
9 play neither   Answer is 9
<result>C</result>
In a class of 38 students 26 play football and play 20 long tennis, if 17 play above, many play neither?