The box is 5m long, 3m wide, 4m high
Answer:

Step-by-step explanation:
We know that 
Also , 
So ,

Answer:
The sequence above is a geometric sequence
For an nth in a geometric sequence

where n is the number of terms
a is the first term
r is the common ratio
From the question
a = 45
r = 15 / 45
The explicit formula for the sequence is
U(n) = 45(1/3)^n-1
Hope this helps you
Answer:
(-4, 2.5)
Step-by-step explanation:
-8/2=-4
5/2=2.5