Match the sequence (term) with the correct type of sequence (definition).
match term definition
2, 4, 6, 8, a) geometric, common ratio is 2
28, 24, 20, 16, b) geometric, common ratio is 0.5
2, 4, 8, 16, c) arithmetic, common difference is -4
48, 24, 12, 6, d) arithmetic, common difference is 2

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

Agroup of randomly selected members of the foodies food club were asked to pick their favorite type of food. the bar graph below shows the results of the survey. there are 244 members in the foodies.