Answer:
14
Step-by-step explanation:
25 + 14 = 14 + 25
39 = 39
Answer: ゼロ
Step-by-step explanation:
Answer:
Step-by-step explanation:
Because dividing any term by the previous term gives a constant this is a geometric sequence of the form an=y^(n-1). Since each term is four times the previous term y=4 so
an=4^(n-1)
Answer:
use blue red blue red
Step-by-step explanation:
Ignoring the "?" in your question:

If the "?" is a squared symbol that wasn't caught:

Use the quadratic formula

to get the solutions:

as you can see, the discriminant is negative, so the equation has no solution.