Complete each expression showing all steps, and simplify the final answer to lowest terms (improper fractions do not need to be changed to mixed numbers as in grade 9, we work with improper fractions instead).

How does a low unemployment rate affect a nation's economy? a. the nation has a higher number of productive resources. b. the nation can spend more money on for unemployed people. c. the nation can save money by paying lower salaries to a large workforce. reset

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.

Find the slope intercept form of (-3,6) and (3,-6)