5+5 free point s

haha here some pics of me don't be mean

Which equation represents the partial sum of the geometric series?

At the electronics store you have a coupon for 20% off up to 2 cds you buy for cds with the original cost of $10.99 each the sales tax is 5% what is the total cost of your purchase

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.