suzy is shopping at a book sale. the table shows prices for paperbacks. a two-column table with 3 rows. column 1 is labeled books (x) with entries 4, 6, 8. column 2 is labeled cost (y) with entries 6, 9, 12. these points are graphed. notice the pattern of the points. what is the rate? the cost is $ for every 2 books.

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

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?

Aflower has 26 chromosomes. to create a new flower, how many chromosomes would a sperm cell have? what is this process called? part 2: within a flower cell that has 26 chromosomes, how many chromosomes would a cell that is created within the stem of a flower as it grows, have? what is this process called?