Answer:
Sophia has 31
Leo has 41
Jacob 26
Step-by-step explanation:
Answer:From the attached graphic, Half-life = ln (.5) / k
Half-life =.693147 / 0.1142
= 6.0695884413 days
Step-by-step explanation:The value of "k" should be negative and should have units associated with it.
The answer is ∠XQR
1/4
6-3/19-7 =3/12 =1/4