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!
I'm not sure but
A) 3 out of 20
B) 11 out of 100
This is a trick question. 7 families had a parakeet.
Answer:
D
Step-by-step explanation:
∠ 6 is formed by the 2 lines that intersect at D
then the vertex of ∠ 6 is D