Which equation is quadratic in form? 4(x – 2)2 + 3x – 2 + 1 = 0
8x5 + 4x3 + 1 = 0
**10x8 + 7x4 + 1 = 0**
9x16 + 6x4 + 1 = 0

Jayda's house is located at (1, 5). she can walk in a straight line to get to cristian's house. a fast-food restaurant is located at (11, 0) and partitions the way from jayda's house to cristian's house by a ratio of 5: 1. find the coordinate of cristian's house. me . im a little stuck

How to do this , and can some one explain

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%