Answer:
Step-by-step:
51⁷-51⁶ = 51⁶(51-1) = 51⁶(50)
50 is divisible by 25, so 51⁷-51⁶ is divisible by 25.
"A. 4x^4 is the answer so try that."
The arithmetic sequence is x - 85 for each one.
170 - 85 = 85
85 - 85 = 0
0 - 85 = -85
and so on
so you subtract 85 each time
hope this helps
A variable is a symbol that’s used in a number. It typically uses a variation of letters such as x,y,etc. for instance 3x=6
