Aplane has 360 total seats, which are divided into economy class business class. for every 13 seats in economy class, there are 5 seats in the business class. how many seats are there in each class?

Determine the standard form of the equation of the line that passes through (-2,0) and (8,-5)

Solve 13 + w/7= -18 (w/7 is a fraction)

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.