There are 78 students from a local high school attending a concert. the concert hall has 40 rows of seats. the first row has 50 seats, and each row after that has 4 more seats than the one before. if all 78 students sit in one row and are as close to the front row as possible, in which row did the students sit?

a) row 7
b) row 8
c) row 11
d) row 12

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?

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap

The graph of a curve that passes the vertical line test is a: