Simplify the square root of negative 45 using the imaginary number i

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%

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2

Find the solution(s) to x^2-14+49=0