35 plus 17.5 equals 52,5 then 52.5 plus 14 equals 66.5
Hello,
It seems that multiplication tables were invented by Pythogore .
Later in the middle ages , a abacus has been invented by a guy who where living near my house : Gerbert d'Aurillac who became pape (Sylvestre 2 ,945-1003).
Answer:
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Step-by-step explanation:
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Find the prime factorization of 7. 7 = 7.
Find the prime factorization of 7. 7 = 7.
Therefore, GCF = 7.
Supplementary and Adjacent. Because their sum must equal 180 degrees.