You are subtracting -16-4
So I would assume your answer would be C
I hope this answer helps!
Answer: So i think what you want is for the first one you want the crocadile mouths pointing to the nine, and the same for the second, it is kinda confusing pic
Step 1
<u>Find the value of s</u>
we know that
In a Rhombus all sides are congruent
so


equate AB and CD

Combine like term


<u>The answer Part a) is</u>
the value of s is 
Step 2
<u>Find the value of side AB</u>

substitute the value of s

Remember that the sides are congruent

therefore
<u>the answer Part b) is</u>
The length of the side BC is 
Answer:
<h2>it is 6 because it's hard to explain but all I know it's 6</h2>
False because the answer would be -10