Consider that lines a and b are parallel. which equation models the relationship between ∠1 and ∠5?
a) ∠1 = ∠5
b) ∠1 + ∠5 = 90°
c) ∠1 + ∠5 = 180°
d) ∠1 + ∠5 = 100°

The number of branches on a tree demonstrates the fibonacci sequence. how many branches would there be on the next two levels of this tree? 13 | | | m branches

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual 

Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?