I cant see all of 11 and 14
12:

13:

15:

16:
Answer:
.
Step-by-step explanation: We are given expression
.
And
expression is converted in
.
Now, we need to transform the expression into a single exponent expression using the properties of exponents.
We know, according to the properties of exponents

Applying same rule in given expression, we get

On simplifying exponents, we would get t in exponent.
=
.
Answer:
B
Step-by-step explanation:
I chose the answer B because there is no there should be no exponents to make the answer linear
Answer: -18 > -19
Step-by-step explanation: