La base maggiore, la base minore e l’altezza di un trapezio isoscele misurano rispettivamente 44 cm, 8 cm e 24 cm. Calcola il perimetro del poligono. [112 m]

Given the points a(-2, 1) and b(8, 6), find the coordinates of the point c on directed line segment ab, that partitions ab in the ration 2: 3.

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

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.