Answer:
try the answer D
Step-by-step explanation:
Answer:
C - Rhombus
Step-by-step explanation:
A rhombus ALWAYS has perpendicular diagonals. A rhombus is just a parallelogram with four equal sides, so two of them have to be parallel, at least.
Combine like terms.
Since 7x and 6x both have a variable of x, you can combine them.

After that, you are left with:

You also have two numbers without variables; 11 and 3. You can also combine those.

So, your final answer would be:

Answer:
DELETE IT AGAIN!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Step-by-step explanation: