Well a decameter is 10 meters so if she has 250 meters then she has 25 decameters Hope this helps!
An = a1 * r^(n-1)
-405 = -5*3^(n-1)
3^(n-1) = 81
3^4 = 81 so n-1 = 3 and n = 4
Sn = S4 = -5 (1 - 3^4) / ( 1 - 3) = 400 / -2 = -200 Answer
Answer:
the greatest common factor of this is 3
Answer: Both A and E have a slope of 5/2
Step-by-step explanation: