Answer:

Step-by-step explanation:
Consider polynomial
If x=-2 is its zero, then you can divide the polynomial
by
and get

If x=-1, then the polynomial
can be rewritten as

The quadratic polynomial has roots

Then the polynomial
has zeros 
Answer:
Step-by-step explanation:
let x be the length of third side.
10-5<x<10+5
or 5<x<15
so third side is between 5 and 15 .
Answer:
2 miles per a hour
Step-by-step explanation:
m=miles
h=hours
1/2m=1/4h
if you times both sides by 4 you will get
2m=h
The area is 80 I may not be completely right but that is what I got
I hope this helps
Answer:
36
Step-by-step explanation:
6 squared