Amy's music collection includes 17 hiphop albums,9 r& b,12country and 8 pop. she wants to keep 10 cds for herself and share the rest with 6 friends. how many cds will each friend receive?

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )

Find the distance between the point (-3,-4), and (see the picture below)

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.