10. ? = 35
14. x = 1/2
18. 100 mm = 10 cm.
Answer:

Step-by-step explanation:
Given

Required
The polynomial function
If a function has a, b and c as its zeros, the function is:

So, we have:


Open the inner brackets

Expand the difference of two squares

Expand

Answer:
this isn't really an answer but use desmos graphing calculator, its an app and a website it will give you the answer.
Answer:
P=30cm
Step-by-step explanation:
So the formula there is to find the Perimeter of the rectangle, so we are going to use it!
Using Substitution:

Hope this helps!
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