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PatrickHB
30.08.2019 •
Mathematics
eric has a test average of 67 and a classwork average of 65. what project grade must he get to make a 70 final grade?
a. 86
b. 85
c. 84
d. 80
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Ответ:
Step-by-step explanation:
hello :
9^4 = (3^2)^4
9^4 =3^8
9^4 =(3^4)^2 = 81^2