Answer:
well bart has 20.00
andy took 19.65
Step-by-step explanation:
subtract 
your answer should be 0.35
Answer:
C). 0.39 grams
Step-by-step explanation:
First find how many half-lifes are in 3 hours:
3 hours ÷ 20 minutes = 9 half-lifes
Find the total left:
0.5^9*200 ≈ 0.39
Answer:
the slope is 1
Step-by-step explanation:
Answer:
area = (1/2) · (p + q) · h
Step-by-step explanation: