Your correct answer should be choice D
Um this is not middle school wow I'm shocked
Good morning ☕️
Answer:

Step-by-step explanation:
35r-21 < -35r+19
⇌ 35r + 35r < 19 + 21
⇌ 70r < 40
⇌ r < 40/70
⇌ r < 4/7
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:)
The answer is in the image hope this helps