Answer:
36h+81m
Step-by-step explanation:
9*4h+9*9m=36h+81m
-7-9, because he already starts below the surface by 7 feet then digs 9 inches lower
Answer:
Step-by-step explanation:
Firstly, seeing that the sequence is based on odd numbers I would say that this is the formula (which will allow you to know whatever term):
nth term = 2n-1
Hope this helps!