Felicia found an apartment that rents for 470 a month the landlord requires one and half months rent for the security deposit and the first month rent before felicia can move in how much does felicia pay altogether before she can move into her new apartment

Element x decays radioactively with a half life of 8 minutes. if there are 450 grams of element x, how long, to the nearest tenth of a minute, would it take the element to decay to 37 grams?

Math question.. plz me .. best answer all

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.