Determine the geometric mean of 7 and 9.

How many square centimeters of wrapping paper will be used to wrap the shoe box?

What is the equation of the line that passes through (-3,-1) and has a slope of 2/5? put your answer in slope-intercept form

Calculate ∬y da where r is the region between the disks x^2+y^2 < =1 & x^2+(y-1)^2 < =1 show all work. (also explain why you split up the regions)