B is the midpoint of line segment AD, and C is the midpoint of line segment BD. If AD = 12, what is BC? A. 1.5
B. 3
C. 4
D. 6

What is the equation of the graph below? y=sec(x)-4

What could explain what happened when the time was equal to 120 minutes

Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?