Answer:
3 unique triangles
Step-by-step explanation:
If you use the Triangle Inequality Theorem, it states that the sum of 2 sides of the triangle would equal more than the third side. So three triangles can be made with those side lengths.
I'd use synthetic div. here, with 2 as my divisor:
________________
2 / 1 -11 18
2 -18
----------------------------
1 -9 0
Note that the coefficients of the missing factor are given here and are 1 and -9. Thus, (x-9) is the missing factor.
Do what that person with the long explanation says it’s most likely right!!
Where is the table. We need a table. We also need to type 20 words to ask...
I'll try to understand this but I don't really get it because I'm in middle school
