Which best describes the relationship between the successive terms in the sequence snown?
9,-1,-11, -21,
the common difference is -10.
the common difference is 10.
the common ratio is -9.
the common ratio is 9.

The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.

Choose the equation that represents the graph below: (1 point) graph of a line passing through points negative 3 comma 0 and 0 comma 3 y = x − 3 y = −x + 3 y = −x − 3 y = x + 3 will award !

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).