You play a gambling game with a friend in which you roll a die. if a 1 or 2 comes up, you win $9. how much should you lose on any other outcome in order to make this a fair game?

Given that abcd is a rhombus, what is the value of x?

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?

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.