Solve 2x-y=7 for y. then find the value of y when x = -1,0, and 1

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

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

Events a and b are independent. the probability of a occurring is 2/5. the probability of b occurring is 1/4. what is p(a and b)?