Answer:
I think the answer is x is 16 and y is 20? I could be wrong tho
Step-by-step explanation:
First, subtract -7 from -1 to get 8.
Then, add the 12 and you get 16 for x.
First, subtract 7y from 9x to get 2y
Then, add 4 to get 20 for y.
I believe the answer is -27t - 4
You would multiply the sales regular price by the percent and then subtract your answer from the regular sale price. For example, if something cost $499 and the sales price was 15% off, you would multiply 499 by 0.15 and then you would get 74.85.
The value of
is 2.
Solution:
Given expression is
.
<u>To evaluate the expression:</u>

36 can be written as 6².

Using log rule: 

Using log rule:
so that 
= 2(1)
= 2

Hence the value of
is 2.