It can never be a square.
Answer:
23.78
Step-by-step explanation:
CAH
x/25
cos18=x/25
25cos18=x
x=23.78
C
step by step explanation:
D. The last one because slope is -99 which is decresed
Answer:

Step-by-step explanation:
Factor out comon Term -1

Factor 

Use the rational root theorem

The dividers of
: 1, 5, The dividers of
: 1
Therefore, check the following rational numbers: ±
is a root of the expression, so factor out 



