The time spent (in minutes) in reading newspaper for an adult per day can be approximated by a normal distribution with \mu μ =15 minutes and \sigma σ =3 minutes. if 200 adults are randomly selected, approximately how many of them will spend in reading newspaper per day between 12 minutes and 19.5 minutes

the answer would be c:   ax + b = ax + c

step-by-step explanation:

step-by-step explanation:

one of the most important purposes of surface treatment is to alter surface properties according to the requirement of specific applications. for example, hydrophobic coating has been utilized on windshield and eyeglasses. gold atom monolayer on substrate has become a popular surface bioconjugation strategy.  

step-by-step explanation:

f(gx)=f(1/x+2)

=(1/x+2)+2

=(1+2x)/2+2

=(1+2x+4)/2

= (2x+5)/2