The value of this equation is: 4
Answer: 4
Answer:
Step-by-step explanation:
they are congruent. sides CB and ZY are congruent. sides AB and XY are congruent. the angle at points C and Z are congruent.
Answer:

Step-by-step explanation:
Factor 
Find two numbers that add up to -15 and multiply to 54 (hint hint, two negatives makes a positive hint hint):

Rewrite the expression:

<em>Finito.</em>
Answer: 21
Step-by-step explanation: (If you're serious it's 19)