Find 1112+(−712)1112+(−712). write your answer as a fraction in simplest form.

Farnesene is a sesquiterpene. how many different isomers arising from double-bond isomerizations are possible? g

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours

What is the value of the discriminant, b2 ? 4ac, for the quadratic equation 0 = x2 ? 4x + 5, and what does it mean about the number of real solutions the equation has?