The answer is (x-9)(x+5), so the roots are 9,-5.
The complete question in the attached figure
we know that
length side AB=8 units
length side DE=4 units
[ABC]=[DEF]*[scale factor]
then
[scale factor ]=[ABC]/[DEF]---------> 8/4--------> 2
the answer is
the scale factor for a dilation image of DEF to obtain ABC is 2
Answer:
160 cm
Step-by-step explanation:
y=6.5(13)+75.5
y=160 cm
Or about 5.2ft