Answer:
The temperature of the chemical solution after t hours is 
Step-by-step explanation:
Given that the initial temperature of the chemical solution,
.
The rate of decreasing temperature, 
So, after t hours, the temperature of the chemical solution will decrease by
.
So, the temperature of the chemical solution after t hours,

Hence, the temperature of the chemical solution after t hours is
.
B. 45 items x $2 = 90$. 90 + the 25 from the beginning = 115
Answer:
1. she will weigh -58 punds or 15 one of those.
3. $45
Step-by-step explanation:
3: 18+18+9= 45
Answer:
Might need a bit more of a photo.
Step-by-step explanation: