Simplify. x - 8 = 10
a. 2
b. -2
c. 18
d. -18

a x 8 x d x c=

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In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ac=26 and ch=8, find bh.

What is the slope of the line that contains the points (-5, 6) and (14. - 7)?