Answer:
the answer is 20
Step-by-step explanation:
use the pythagorean theorem
1] 12 x 12 = 144
2] 16 x 16 = 256
3] 144 +256= 400
4] find square root of 400 which is equal to 20
Answer:
$15.17
Step-by-step explanation:
First we calculate the value for the sales tax:

we then add the value for the sales tax ($1.07) to the initial bill:

We were instructed to calculate the tip after the sales tax was added so:

after we will add the value for the tip to the value that we have for the bill ( this is the new value that includes the sales tax) to find the total cost:

<em>Therefore</em><em> </em><em>the</em><em> </em><em>total</em><em> </em><em>cost</em><em> </em><em>for</em><em> </em><em>his</em><em> </em><em>mean</em><em> </em><em>is</em><em> </em><em>$</em><em>15.17</em>
Step-by-step explanation:
<h2>stay safe healthy and happy.</h2>