For his science project, timor has 1 pea plant and 3 bean plants. he measures the heights of the plants once a week. this week's data are shown in the table. which expression will him find the average height of the bean plants this week?

(10 + 12 + 11 + 20) ÷ 4

(12 + 11 + 20) × 3

(12 + 11 + 20) – 3

(12 + 11 + 20) ÷ 3

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

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.

Which one is the correct answer, and why?