C. the values can be added after making a conversion of units because they both measure length.
Answer: C
Step-by-step explanation:
The answer is 93
If we sorted out the number of each hours, the sequence will look like this
57 _ 69 _ 81 _ x _ 105
(in which x is the fourth hour of work)
We can see from the sequence that each hours, the mailman add additional 12 letters.
(69 - 57 = 12)
(81 - 69 = 12) . . . . proof
So, the amount of letters on the fourth hour would be:
81 letters + 12 letters = 93 Letters
<span>g = 9.8 m/s2 and PE = m × g × h.
hope this helps you(:</span>
Answer:
n+1=x-1
Step-by-step explanation:
as n goes up, x decreases by 1 each time
