Suppose the cost of cleaning the lake is $40 per hour, and that the residents have agreed to split the cost of cleaning the lake equally. if the residents vote to determine the number of hours spent cleaning the lake, basing their decision solely on what maximizes their own surplus, what is the most number of hours for which all four residents would vote "yes? "

The class wants to raise a total of $750.if they receive a profit of $1.25 from each candybar sold, how many bars must they sell to reachtheir goal

Someone answer asap for ! max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a. the median of max’s data is 250 b. more than half of the data points max recorded were 177 centimeters. c. a data point chosen at random is as likely to be above the mean as it is to be below the mean. d. every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

Pls the last one and it has to be like number 6