20 because 70+10=80 add 10 more it's 90 genius.
Zero. because every worker will be afraid of to be retiered
Solution:XOR: X+Y= XY’ + X’YDual of XOR:= (X +Y’)+(X’+Y)= XX’+XY +X’Y’ +YY’= XY + X’Y’ Complement of XOR (XNOR)= (X+Y)’= (XY’ + X’Y)’=(X’+Y)+(X +Y’)= XX’+ XY + X’Y’+YY’= XY + X’Y’
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Answer:
I do not know, if you ca rewrite that would be helpful
Step-by-step explanation: