Question

Please please helpppp

Answer 1

A. Yes

s + (s + 1/2) + (s + 1/2) + s = 4s + 1

B. no

See above explanation

C. No.

They forgot to add an extra s inside the parenthesis

D. Yes.

2(s) + 2(s + 1/2) = 2s + 2s + 1 = 4s + 1

hope this helps