What is the sum of the geometric series in which a1 = −5, r = 3, and an = −405? a hint on how to solve is attached! r ≠ 1, where a1 is the first term and r is the common ratio.

Fiona and her friends are playing a game by guessing where a coin will land when it is randomly dropped inside the square shown below. fiona guesses that the coin is likely to land in the blue area. which explains whether or not fiona is correct and why?

What is not true about kl and mn? what is mn? (show your work)

Which of the following is a function? a.) {(-2, -4/5), (-1,-,,-1)} b.) {(-2,,1/,3/,1)} c.) {(-22)} d.) {(-21)}