The answer for this question is B
Answer:
r = 9
Step-by-step explanation:
cross multiply
9 * r = 81
9r = 81
divide both sides by 9
r= 81/9
r = 9
Step-by-step explanation:
3x+8<4x−12
Move all terms containing x
to the left side of the inequality.
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−x+8<−12
Move all terms not containing x
−x<−20
x>20
Interval Notation:(20,∞)
Answer: No
Step-by-step explanation: