I won't breathe so help please ​

Awork system has five stations that have process times of 5, 9, 4, 9, and 8. what is the throughput time of the system?

Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. the walnuts cost $6 per pound. he uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. he solves the equation for y, the number of pounds of walnuts he can buy. answer- b tomas added 6 to both sides of the equation instead of subtracting 6. just took the test

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.