-2r+3≥19
-2r≥16
r≤-8
second one
Answer:
d
Step-by-step explanation:
it's the only one that isn't a trend
I have solved the first one. Hope this helps
Answer: The required ratio is 1:1.
Step-by-step explanation:
Let the total number of CDs be 100
of CDs is given by
According to question,
of her Jazz CDs represents of all her CDs.
Let the number of Jazz CDs be x
So, it becomes
So, Number of Jazz's CDs is 50
Number of Jazz non CDs is given by
Ratio of her CDs to her non- CDs is given by
Hence, the required ratio is 1:1.
30h-40+60 or 30h+20 I think