A sequence can be represented by an= 3 + an-1. If a1 = 2, which expression could be used to represent the same sequence? A - 3 - n
B - -1 + 3n
C - -3 + 2n
D - -2 + 2n

Aplane flies around trip to philadelphia it flies to philadelphia at 220 miles per hour and back home with a tailwind at 280 miles per hour if the total trip takes 6.5 hours how many miles does the plane fly round trip

Which of the following is true for the relation f(x)=2x^2+1

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%