Ayuda please :(( necesito hacer esto para antes del Sábado

Find the area of a trapezoid with a height of 23, base 1 of 10 and base 2 of 18

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%

Find the maximum value of p= 4x + 5y subject to the following constraints :