Hello!
<u><em>Answer:</em></u>
<u><em>w=12</em></u>
<u><em>*The answer must have a positive sign.*</em></u>
Step-by-step explanation:
First, you add by 5 from both sides of an equation.

Then, you simplify.

Next, you multiply by 3 from both sides of an equation.

And finally, simplify and solve. You can also multiply by the numbers from left too right.

Final answer: → 
Hope this helps!
Thanks!
-Charlie
Have a great day!
:)
:D
Answer: -8-10
Step-by-step explanation:
Answer:
$107.38
Step-by-step explanation:
$91 (the price) multiplied by the percentage 18% (91 x 18 = 1630) (1638/100=16.38 [the tip})
$91 (th original price) + 15.38 (the tip) = $108.38 (final price)
Slope of perpendicular is -1/3.
Then equation is
y-5=(-1/3)(x+9)