Answer:
yes it's b I did it on edge and I got it wrong so idek anymore
a........................................................................................
Antitrust laws generally promote (or encourage, make possible, increase support, etc) competition - they work against establishing monopolies
Patents limit (decrease, make impossible, etc,) competition - they establish a monopoly on a certain good or service.
The chief executive is part of the legislative branch
Y= -3/7 - 1/7
Subtract the numerators only (top #)
Y= (-3-1)/7
Y= (-3+ -1)/7
Y= -4/7
Hope this helps! :)