Which exponential function, after being reflected over the x-axis, has a y-intercept at (0, −4) and the right side of the graph approaches y = 0?
A) y = 4(2)x
B) y = 4(1/2)x
C) y = −4(2)x
D) y = −4(1/2)x

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%

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.