It would be

it would be 15 because you subtract 19 from both sides and the 19's cancel so your answer would be
1. The whole numbers are the counting numbers starting at zero.
2. The natural numbers are the counting numbers starting at one.
These are just the definitions that are usually used. Some authors count zero as a natural number.
Answer:
Line CB
Step-by-step explanation:
We know the smallest triangle is the left triangle, so you need to find the smallest angle in that triangle, which is 50 degrees as shown, and the opposite side to that, CB, is the smallest side.
19.99+12.49=32.48
19.99 for the movie and 12.49 for the earphones together they make 32.48