Answer:
Step-by-step explanation:
1k +9 > 30
1k +9 -9 > 30 -9
1k > 21
k > 21
Do you mean checking your work? In that case it would be 9*20.
Answer:
the answer would be 29 :)
Step-by-step explanation:
Answer:
When two quantities increase or decrease together they are said to be directly. proportional