A ruler to measure the length of an object.
Answer:
that do it make any sense nshshshshshsjshshsnshdjdjjsjskslqpsjdbjdbsjsbsjdhshdhdhshsjsjsjjsjshshshsjs
Step-by-step explanation:
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Step-by-step explanation:
Simple
We will subtract
21 - 16 = 5
So 5 more students can join the class
I am pretty sure a is the correct answer