I’m pretty sure the answer is y=3/4x-13/4
10 days is twice the half-life. After 5 days, can expect

grams to remain; after another 5 days, you'd be left with

grams.
Answer:
-4
Step-by-step explanation:
-4t+15=-1
Subtract 15 on both sides:
-4t=-16
Divide -4 on both sides:
t=-4
Answer:
Yes
Step-by-step explanation:
Answer:
what do u want me to do
Step-by-step explanation: