I believe it is holding a crusaders sword
Answer:
Principal = 3500
Time = 8 years
We are given that compound quarterly
So, No. of compounds per year = 2
Rate of interest = 5%
Formula : 
Substitute the values :


Interest = 3863.345 - 3500 = 363.345
Hence the total amount in an investment of $3500 that was compounded quarterly for 8 years at a rate of 5% is $3863.345 and the interest that was made on that account mentioned is $363.345
Answer:
18
Step-by-step explanation:

B and C are both correct
t(s) is equivalent to the temperature of the tea after s amount of seconds