Answer:
C. 3x^2 + x + 1
Step-by-step explanation:
(3x^2 - 1 + x + 2)
=3x^2 + x + 1
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black socks = 36
total socks 48
apple's = 6
strawberry sweets = 72
2nd class = 24
total stamps = 42
Dylan = 75
total student 1900
40.6944 is your answer
3.6×3.14=11: 3.6×3.6=40.6944 /41
check the periodic table
