Reduce to lowest terms.
3m^2-3n^2/6m-6n
a) -m-n/2
b) m-n/2
c) m+n/2

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

Use long division to indentify (12xto the second power+15x-8)divided by 3x

Kilgore trout creates a new scale to diagnose depression. however, his scale only assesses one symptom of depression while ignoring others. which of the following is his new scale most likely lacking? a) test-retest reliability b) discriminant validity c) criterion validity d) alternate-forms reliability e) content validity f) none of the above