Working alone, a painter can paint a small apartment in 10 hours. Her helper can paint the same apartment in 15 hours. How long would it take the painter and her helper to complete the job if they work together? (6 hr)

Which expression is equivalent to the expression shown?

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that

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.