It is 54. Draw it out. You will see that DCB - RCB = DCR
Answer:

Step-by-step explanation:
The conjugate of a radical expression is obtained by changing the sign of the middle term.
The conjugate of
is simply 
Therefore, to obtain the conjugate of the given expression we simply shall be changing the negative sign to positive;
The conjugate of
is simply;

Answer:
y=cotx
Step-by-step explanation:
Answer:
8 spools
Step-by-step explanation:
48 divided by 6
Answer:
-6
Step-by-step explanation: