8(a+5)=8•a+8•5
___. ___
= |_?_|a + |_?_|

Identify an equation in point slope form for the line perpendicular to y=3x+5 that passes through (4,-1)

Rewrite so the subject can be y in the formula d=m-y/y+n

The weekly amount spent by a company for travel has an approximately normal distribution with mean = $550 and standard deviation = $40. a) what is the probability that the actual weekly expense will exceed $570 for more than 20 weeks during the next year? (note: one year = 52 weeks) b) what is the probability that actual weekly expenses exceed $580 for 10 or more, but 16 or fewer weeks during the next year?