Can someone me with this geometry question 100% correct only

Which measure is equivalent to 110 ml? 0.0110 l 0.110 l 1.10 l 11,000 l

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?