plzzzzzzzzzz help due tm

1) -9-5+3=-11
2) -5(9-4)=-25
3) 1/9= 0.111111111111111111111111111111111111111111111111111111 And so on so you can write 0.1 with a dash over the one and it is repeating
4)15/3=5.0 or just 5 The decimal is terminating
5) 11/20 converts to 0.55
1/2 converts to 0.5
0.525 is already a decimal so leave it alone
51% converts to 0.51
Compare all of them and 11/20 is the largest
6) 8.75