Use the distributive property to simplify the expressions

1. (-1)(4-c)
A= 4-c
B= -4+c
C= 4+c
D= -4-c

2. 4 (2x-4)
A= 8x+4
B= 8x-4
C= 8x-16
D= 4x-16

3. (10+4y) 1/2
A= 5+2y
B= 20+8y
C= 5+4y
D= 10+2y