Find the sum of the first 30 terms for the given arithmetic sequence.
8, 1, -6, -13, ...

If on=8x-8,lm=7x+4,nm=x-5,and ol=3y-6

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

Explain how you can show five less than a number using algebraic expression