Answer:
C. WP WB, WC, PB, PC, BC
Step-by-step explanation:
<em>List the possible combinations. (With no duplicates)</em>
WP, WB, WC
PB, PC
BC
<em>Now check your options for the answer with the combinations you had.</em>
<em>That is your answer.</em>
Answer:

Step-by-step explanation:
Have a good day :)
Answer:
=−15a2c7−12a3c4+24a2c4
Step-by-step explanation:
Same I don’t know , you can go online and pay someone to do it for you