Then you will leave a tip of $9
because 0.18x50=9
It would be 19/4.
I hope this helped you
Your equation is:
x² + y² = 15
The length would be 6 centimeters. You would get this answer because 6 divided by 3 is 2. So you would divide 18 by 3 and get 6. So the length of the second rectangle is 6 centimeters. Hope this helps!
Have a great day!
Answer:

Step-by-step explanation:
Substitute the values for a and c into the expression
- 2c + a
= - 2×
+ 
= -
+ 
= -
+ 
= -
+ 
= 