Answer:

Step-by-step explanation:

A = 6
tn = a + (n - 1)d
t4 = 6 + 3d = 12
3d = 12 - 6 = 6
d = 6/3 = 2
f(n + 1) = f(n) + 2
Answer:
63
Step-by-step explanation:
just multiply all all the packs by 12 an then subtract 225 and then u divide that by 25 and u get 63
Answer: 9
explanation: simply the expression .
Answer:
(e^3 / e^2n)
Step-by-step explanation:
isn't this the same question