Answer:

Step-by-step explanation:
Given

Required
Solve
In laws of indices, we have:

So, the expression becomes:



Divide 3 and 6 by 3


This can be rewritten as:

Hence:

Point B is located at point (4, -2)
Answer:
12
Step-by-step explanation:
The 2 lines are equal in length. Therefore:-
ST = 21 - 9 = 12
The total cost of a $2,099 couch including the 6.5% sales tax is $ 2235.435
<u>Solution:</u>
Given that,
cost of couch = $ 2099
Sales tax = 6.5%
<em><u>Finding the total cost of couch with sales tax:</u></em>
Total cost of couch = selling price of couch + sales tax on the selling price of couch
Plugging in values we get,
<em>Total cost of couch = $ 2,099 + 6.5% sales tax on $ 2099</em>

Taking "2099" as common term, we get,

On solving brackets,

Hence, the total cost of the couch is found as $ 2235.435
A^2 + b^2 = c^2
1^2 + b^2 = (sqrt(2))^2
1 + b^2 = 2
b^2 = 1
b = 1