I dont understand the question can anyone please help 20 points!! Due soon

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

What is the location of point g, which partitions the directed line segment from d to f into a 5: 4 ratio? –1 0 2 3

The number of 8th graders who responded to a poll of 6th grade and 8 th graders was one fourtg of the number of 6th graders whi responded if a total of 100 students responddd to the poll how many of the students responded were 6 th graders