Transversal t cuts parallel lines r and s as shown in the diagram. Which theorem does the diagram illustrate?

1. what are the missing reasons in the proof 2. it's in the second picture and 3

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years