Which expressions are equivalent to 2(b+3c)2(b+3c)2, left parenthesis, b, plus, 3, c, right parenthesis ?
choose all answers that apply:
choose all answers that apply:

(choice a)
a
3(b+2c)3(b+2c)3, left parenthesis, b, plus, 2, c, right parenthesis

(choice b)
b
(b+3c)+(b+3c)(b+3c)+(b+3c)left parenthesis, b, plus, 3, c, right parenthesis, plus, left parenthesis, b, plus, 3, c, right parenthesis

(choice c)
c
2(b)+2(3c)2(b)+2(3c)2,