Which quadratic equation has roots -1+4t and -1-4t? a. x^2+2x+2=0 b. 2x^2+x+17=0 c. x^2+2x+17=0 d. 2x^2+x+2=0

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%

Solve the system of equations using the substitution method. {y=−3x+7x=−2y−16 enter your answers in the boxes.

30 points if you answer all 3 questions with work!