Answer:

Step-by-step explanation:
"one over threep + 15":

Answer:
452.39 would be the volume
Step-by-step explanation:
V = π r² h
3.14 x 9 x 16
Log(k + 2k) = log60 - log4
for two functions to be equal, the arguments of each must be equal
k = 5
1,416 hours for mercury to make a full rotation