Answer:
Equation: (441-66)divide by 3
91
Step-by-step explanation:
441-66=275
275/ 3=91.6666 repeat
Answer:
About 11.299 hours.
Step-by-step explanation:
To solve this problem, you can set up an equation to model the decay of the medicine. Let's call the time that medicine has been in the body x.


Taking the log x of both sides, you get

hours. Hope this helps!
I got 4x-3=-19 then I got stuck
Answer:
AREA= 198 mm
PERIMETER = 57mm
Step-by-step explanation:
1: to take out the perimeter , add all the sides i. e. 12+14+18+13=57
2: to take out the area use formula B*H i. e. base *height - area of a parallelogram
B=18
H=11
18*11=198
this is the area
HOPE IT HELPS !