PLEASE HELP!!!

1: Add the linear expression
(-2×-5-3×)+(2×-2) what is the sum?

2: Subtract the linear expressions.
(3/4×-1)-(1/3×+4) what's the difference?

3: Add the 2 expression
-6.5b+11 and 3.3b-2

4:Subtract the linear expressions.
(-3.6×+9.4)-(1.9×+3.6) whats the difference?

5: Subtract 5×-2 from -3×+4.
A. -8×+2
B.2×+2
C.8×-6
D.-8×-6