The equation is
y=-2(12)+15
the y intercept is b, therefore y, 15, is b
y =MX+b is slope intercept form
y=-2(12)+15
Marshall- 8 hours because 8•6=48
Yolanda- 3 hours because 6•3=18
18•2= 36 18•3=54
C is on the line and D is not on the line.
-1/2(-40)+1=21
-1/2(20)+1≠-11
The quantity that is present after 2000 years will be A. 7.851 grams.
<h3>How to calculate the quantity?</h3>
From the information given, initially at t = 0, the quantity is 10 grams.
After 2000 years, the appropriate quantity will be:
Q(2000) = 10 (1/2) × (2000/5730)
Q(2000) = 7.851 grams.
In conclusion, the correct option is A.
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The radius is ( by the way I am not sure ) 181.458......