Ella has 50 stacks of ten pennies in each stack. describe how to find how many pennies ella has in all

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

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%

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?