Answer:

Step-by-step explanation:
Since we know the values of a, b, and c, we can substitute them into our expression and get the value.

A negative multiplied by a negative gets us a positive.

Adding a negative is the same as subtracting a positive.


Hope this helped!
Answer:
None of the above
Step-by-step explanation:
=4+2y+7
x+8=(7x)+
(2y)+(4+8)=7x+2y+12
Answer:
Perimeter = 14
Area = 
Step-by-step explanation:
Yes it is possible because the acute angle is less then 90 degrees meaning its inside the angle