Answer:
Acute
Step-by-step explanation:
Answer:

Step-by-step explanation:
Apply FOIL method: 


Apply minus - plus rules


Simplify
Multiply 

Multiply 

Multiply 

Combine like terms

Multiply 


Answer:
.36666667
Step-by-step explanation:
If both triangles ABE = CBD then <C = <A
Hope it helps.
Answer: B. (2,2)
Step-by-step explanation:
The vertex of the parabola in the form
is (h, k).