A periodic function has minimum values at -1 and maximum values at 10. What is its midline?

50 points~ ! i have to turn this in tomarrow

What number gives you a irrational number when added to 2/5

Acompany had forty one employees and ordered nine hundred eighty uniforms for them. if they wanted to give each employees the same number of uniforms, how many more uniforms should they order so they don't have any extra