Answer:
It should take somewhere between 8 to 9 minutes to decay until there are 30 grams remaining.
C
Step-by-step explanation:
4.25+2.25+4x is less than or = to 9
its 48.139
i also needed help , but i only saw this so i guessed the answer and it is 48.139.
3/10
7+3= 10 so 7+3=10/10 which is one mile
Infinite: 2x+7=2+7
One solution= 2x-5= 10
No solution= 2x+7=2x-6
