Answer:
9
Step-by-step explanation:
Hi there!
Pauline simplified the expression correctly.
Pauline made sure she used the distributive property and combined like terms after doing so.
Hope this helps !
Answer. No , we can say that all parallelograms are similar , because if we consider a rectangle and a square side by side , they are not similar to each other , we can take rhombus and square as another example . There are many types of parallelograms , with have something uncommon among themselves
Answer:
C
Step-by-step explanation:

Angles are named with 3 letters with the vertex listed in the center to go from angle to arc name take the first and last letter from the angle to name it.
For arc to angle insert the letter of the center in between the listed arc endpoints.
Ex1: Angle ABC is are AC
Ex2: Arc DF with center X is angle DXF