638 divided by 11= 58. 58x9=522
Answer:
B changes at x = +2 where the others change at x = -2
Step-by-step explanation:
Answer: The level of aspirin (mg) will be in your bloodstream in 4 hours = 35.70 mg.
Step-by-step explanation:
If the amount is decreasing by r%, then the final amount is given by :-

, where P = initial value , t= time
Given: P= 200 milligram, r= 35% = 0.35, t= 4 hours
The level of aspirin (mg) will be in your bloodstream in 4 hours = 

Hence, the level of aspirin (mg) will be in your bloodstream in 4 hours = 35.70 mg.
Answer:
F
Step-by-step explanation:
if you do the math you end up with 49 which is a perfect square of 7