Answer:
<QRS = 40 degrees
Step-by-step explanation:
Supplementary angles are 180 degrees therefore if angle ABC is 140 degrees that would mean that angle QRS has to be 40 degrees.
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351,875 - 101,949 = 249,926
351,875 + 249,926 = 601,801
Answer: you have it right
Step-by-step explanation:
<span>If you're aware of the binomial theorem, you have that:
</span>


The fourth term is then the case

, from which: