12, 13, 14the last answer on 14 is log2 z over 11

(12)

we are given

we can also write it as

now, we can use property of log

...........Answer

(13)

we can use property of log

we can use property of log

...........Answer

(14)

we can use property of log

we get

.............Answer

i would say c is the best answer, hope it's right!

good luck! =)

cutie~

i will pick c put check it over to be sure

step-by-step explanation: