When you add two numbers the sum is 15 and the difference is 1

In the football stadium, there are 18 empty seats out of 360 total seats. (1a) write the ratio of empty seats to total seats as a fraction in simplest form. (1b) then explain its meaning.

Classify the following triangle check all that apply

Normal yağmur ile asit yağmuru arasındaki fark nedir