-8x + 9y = 3
5x - 9y = 15

At least two people have the same birthday in a school of 150 students

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

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?