determine whether and are parallel perpendicular or neither A (-1,-4), B(2,11), C (1,1), D(4,10). Explain

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

Jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate. true or false?

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.