Question

Which pair of expressions below are equivalent?
Answer
Multiple Choice Answers
3, left parenthesis, 5, s, right parenthesis, and , 8, s3(5s) and 8s
s, plus, t, plus, t, plus, t, plus, t, and , 5, s, ts+t+t+t+t and 5st
s, plus, s, plus, 5, t, and , 2, s, plus, 5, ts+s+5t and 2s+5t
3, s, plus, 5, s, and , 8, s, squared3s+5s and 8s
2

Answer 1

s + s + 5t and 2s + 5t.

Reason: s + s = 2s, so s + s + 5t = 2s + 5t.