Let f(x) = 7x^2-5x+3 and g(x) = 2x^2+4x-6

part a: f(x)+g(x)
part b: f(x)-g(x)
part c: g(x)-f(x)
***i need to find the simplfied answer, when everything is combinded

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%

The midpoints of the sides of the large square are joined to form a smaller square. what is the area of the smaller square

What unit of been sure would be appropriate for the volume of a sphere with a radius of 2 meters