Select the correct answer.
What is the expanded equivalent of sin(a + b)?
A.
sin a cos b - cos a sin b
B.
sin a cos b + cos a sin b
C.
cos a cos b- sin a sin
D.
cos a cos b + sin a sin b

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%

If you apply the changes below to the linear parent function f(x)=x what is the equation of the new function vertically stretched by a factor of 3 flip over the x axis

An equation in slope-intersept form the lines that passes thought (-8,1) and is perpindicular to the y=2x-17.