Answer:

Step-by-step explanation:
Though it is not what you have written, we think you want to simplify ...

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When writing a fraction in plain text, parentheses are needed around the entire denominator. The order of operations tells you that a/bc = (a/b)c, not a/(bc).
Answer:
I think it is (x^2+9) x (x-1) x (x+1)
Step-by-step explanation:
(not sure if right but had a go)
Answer:
the angle of elevation is 2 because it is going up
Step-by-step explanation:
there really isn't an explanation needed
The second option is true: 3/6= 4/8
It is 6cm
Because a hexagon has 6 sides and if each side is 1cm long then add 6 to 1