Answer:
It should take somewhere between 8 to 9 minutes to decay until there are 30 grams remaining.
Answer:
The first question is A.
The second question is C.
The thid question is B., I think i'm not quit sure sorry
When you factor this problem you get:
(3x+5)(x+10)
Answer:
1
Step-by-step explanation:
x*4+7-3=8
4x+7-3=8
4x+4=8
4x=4
x=1