Well, you already have the decay model, so just plug that in
Answer:
Step-by-step explanation:

Comparing this to the form a+b√5, we see that ...
a = 3/2
b = -1/2
Answer:
Johny rode his bike 30ft up the hill and stopped to rest and then rode back down. He rode up another 30ft and stopped then started his descent back down.
Step-by-step explanation:
Y=10°
If we're solving for the ninety degree angle, which I seem to doubt, then if 3x=90 then 2x=60 giving a missing total of 30. 30/3 equals 10