Subtract.

8/9-1/3

a.5/6 b.5/9

c.7/9 d.7/12

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

Write an equation of the line that passes through 9,2 and is parallel to the line y=5/3x+9

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?