Answer:
$789.75
Step-by-step explanation:
I'm just smart
Answer:

Step-by-step explanation:
Given



Required
Determine CD
Since, C is a point on BD, the relationship between the given parameters is;

Substitute the values of BD, BC and CD

Collect Like Terms


Divide both sides by -4


To determine the length of CD;
Substitute 3 for x in 
Hence;

prime (not composite) as it can only be divided by 1 and itself
Step-by-step explanation:
x = 55
I hope this is helpful