Write a compound inequality to represent:
a) All numbers greater than -1 and less than or equal to 39 then display the inequality on a number line.
b) The flowers in the garden are 6 inches or taller or shorter than 3 inches. Display the inequality on a number line.
If there's something you don't understand about this answer, can you explain what it is?
http://web2.0calc.com/questions/write-a-compound-inequality-to-represent-show-work#r1