What is different between 244 feranhit and 35 feranhit using compensation to calculate ?

Asilkworm winds its cocoon out of one long silk fiber. to make silk thread, 3 to 10 of these silk fibers are unwound from their cocoons and combined into aa single thread with a typical length of 300 yards. choose a reasonable number of silk fibers in a thread write an equation to find the total length of the silk fibersused in 300 yards of the thread

What are “like terms”? why can we only add like terms?

Find the domain of the following expression: 1/(√x)-2