Correct answer + explanation will be marked brainliest!

A sequence starts with the number 1, and each subsequent term is multiplied by the common ratio a, until the final term of a^n, for n is a positive even integer.
X = the median Y = a^(n/2)
Which statement is always true:
X > Y
X < Y
X = Y
None of the above
Good luck!

Diane owes $387 to her brother. if she debits her bank account $161.25 a month to pay him back, how many months will it take her to pay off the debt?

What is the value of x? enter your answer in the box. photo attached.

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)