Answer: B
Step-by-step explanation: 3^4 is 81, and 3^2 is 9. 81/9 is 9. :)
Step-by-step explanation:
the table has infinite side soooo I
the recipocal is 0.17857142857
Let the score on her seventh test be "x".
SO,

∴ He must get 104% on his seventh test to get an average score of 90%
Answer:
18
Step-by-step explanation:
-2 x^2y
Let x=-3 and y = -1
-2 (-3)^2 (-1)
-2 (9) (-1)
18