URGENT: I do not understand the question and the test is due today.

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

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip

How many lines can be drawn through points j and k? 0 1 2 3