HELP WITH THESE THREE QUESTIONS PLEASE!!

$1.$You own a stock that had total returns of$9\mathrm{.}04,9\mathrm{.}22,5\mathrm{.}71,7\mathrm{.}21,-3\mathrm{.}6,6\mathrm{.}86,9\mathrm{.}76($all in percent$)$ over the last seven years. What is the arithmetic average return for this stock?

$2.$ A stock has had returns of $-9\mathrm{.}01$ percent, $-8\mathrm{.}22$ percent, $6\mathrm{.}85$ percent, $6\mathrm{.}25$ percent, $8\mathrm{.}25$ percent, and $12\mathrm{.}46$ percent over the last six years. What is the geometric average return for the stock? Answer as a percentage to two decimals $($if you get $-0\mathrm{.}0435,$ you should answer $-4\mathrm{.}35).$

$3.$ A stock has had the following year$-$end prices and dividends:

What is the geometric average return for the stock? Answer as a percentage to two decimals $($if

you get $-0\mathrm{.}0435,$ you should answer $-4\mathrm{.}35).$