Question

Which expressions are equivalent to 2r + (t + r)2r+(t+r)2, r, plus, left parenthesis, t, plus, r, right parenthesis ?

Choose all answers that apply:
Choose all answers that apply:

(Choice A)
A
2rt + 4r

(Choice B)
B
r+tr

(Choice C)
C
None of the above

Answer 1

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Answer:

C none of the above

Explanation:

We can simply drop the parentheses and collect terms.

2r +(t +r) = 2r + t + r = (2r +r) +t

= 3r +t