idcbrooo
04.09.2019 •
Mathematics
A. 812r) and 100
which pair of
expressions are
equivalent?
b. 6r+ 3 and 9r
c. 9(3r – 4) and 27r - 36
c 9
d
r
+r+r+r+r and r5
Solved
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Ответ:
Answer is C.9(3r-4) and 27r-36
Step-by-step explanation:
Ответ:
b=5
Step-by-step explanation:
8b+12 = 52
8b = 52-12
8b = 40
Therefore, b= 40/8 = 5!
Hope it helps! :)