Answer:
The purple on cause they equal a 90 degree angle
Step-by-step explanation:
C
<em>Hope that helps!</em>
4.5
13.5 - 9 = 4.5
18 - 13.5 = 4.5
22.5 - 18 = 4.5
11.2 * .05 = .56
sales tax = .56
11.2+.56 = 11.76
groceries plus tax = 11.76
