Find the discriminant and determine the number of real roots for each equation. Show steps. -3p^2 - 2p = 0

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

3x + 4y = 5 x- 3y = -7 solve by substitution

Sioux co. replaced the roof on its existing building, therefore increasing the building's life by 10 years. the cost of the roof is considered a(n):