Respuesta :

Answer:

3)  C

Step-by-step explanation:

The question is asking which pair is equal.  Work through each problem to solve.

8(2r) and 10r

16r ≠ 10r

6r + 3 and 9r

6r + 3 ≠ 9r

9(3r - 4) and 27r - 36

27r - 36 = 27r - 36

r + r + r + r + r and r⁵

5r ≠ r⁵