In a scientific study there are 6 guinea pigs, 5 of which are pregnant. If 3

Mp model with mathematics explain how the number of text messages dario sent and the cost form an arithmetic sequence.then write an expression to find dario's text messaging bill if he sends n text messages over 250.

You work in a hospital that has 9 floors. you need to see 3 patients on each floor. how many patients do you need to see in 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.