What is the area of the resulting two dimensional cross section?

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

Will give brainliestbased on the topographic map of mt. st. helens, what is the contour interval if the volcano height is 2,950 m?

The sales tax for an item was $8.40 and it cost $420 before tax. find the sales tax rate. write your answer as a percentage.