Salut am nevoie de ajutor! În Figura 2 este reprezentat un trapez dreptunghic ABCD cu AB CD , AB 18 cm , CD 12 cm m ABC 60 . Punctul E este situat pe latura AB , astfel încât CE AB . a) BE 6 cm . b) Calculati aria trapezului Abcd c)Stiind ca punctul F este mijlocul segmentului AE , CF BD sunt perpendiculare.

Three students, javier, sam, and corrine, participated in a fundraiser where people donated a certain amount of money per lap that the student ran. each student also had some initial donations that were collected before the run. the equations that represent each student's total donation, y, based on the number of laps ran, x, is shown below. match each equation with the correct rate of change for that student.