If c = 13 and a=73 degrees , find a. round to the nearest tenth.

What were mkh company's cash flows from (for) operating activities in 20x1? $(180,300) $233,100 $268,200 $279,400?

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

Does the point (1, sqrt 7) lie on circle shown.