Determine whether each sequence is geometric. If so, find the common ratio. 1. 3,9, 27, 81, ...
2. 4, 8, 16, 32, ...
3. 4, 8, 12, 16,
4.4,-8, 16,-32, ...
5.1, 0.5, 0.25, 0.125,...
6. 100, 30,9, 2.7, ...
7.-5, 0, 5, 10, ..
8. 64, -32, 16, -8,...
9. 1,4,9,16,

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Question: a) does the given set of points represent a linear function? how do you know? b) assume that the point (-2,4) lies on the graph of a line. what y-values could complete this set of ordered pairs that lie on the same line: (- (hint: there are several correct answ

Beth divided 9 ounces of her granola recipe into 4 equal-sized amounts. she placed the amounts into individual bowls. the fraction 9/4 represents the number of ounces of granola in each bowl. which other number represents the amount of granola beth has in each bowl? (a) 1 1/4 (b) 2 1/4 (c) 1 3/4 (d) 3 3/4 i need !