Answer:
x=-8, x=1/4, x=5.
Step-by-step explanation:
The degree is 3, so there must be 3 roots.
factor: x^2(4x-1)+3x(4x-1)-40(4x-1)=0
=(4x-1)(x^2+8x-5x-40)=0
=(4x-1)(x+8)(x-5)=0
x=1/4, -8, 5
Answer:The median number is 9 , Q3 is 11, data is skewed left, lowest 25%
-36/7
-4/7 x 9
-4 x 9/ 7
That’s how I got -36/7
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I hope I helped you^_^
b )
cube root =
c ) square root