Answer:
=x2+39x+10
Step-by-step explanation:
Combine Like Terms:
=x2+15x+24x+10
=(x2)+(15x+24x)+(10)
=x2+39x+10
The triangles are congruent because of the interior angles are all congruent. If you were to turn one of the triangles all of the angles would match.
Answer:
Group A.
Step-by-step explanation:
As shown by the dot plots, Group A has one 9-year-old painter, seven 10-year-old painters, and 24 painters between the ages of 15 and 20. Group B has seventeen painters between the ages of 10 and 20 and thirteen painters between the ages of 25 and 30. Since mean is the average of everything, Group A most likely has a lower mean age of painting students than Group B does.
Answer:
(x+1)(3x^3+2x^2-4x+4)
Step-by-step explanation:
I hope this helps!