3х + у — z = 2
2x – Зу – 2z = 1
4х – у — Зz =0

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

Which graph represents the equation y =4x

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?