Aband just recorded a new album with 13 tracks. the shortest song on the album is 2 minutes and 27 seconds. the longest song on the album is 4 minutes and 31 seconds. what is a reasonable estimate for the total time of the album?

Which of the following graphs represents the function f(x) = 2^x

Ascientist has discovered an organism that produces five offspring exactly one hour after its own birth, and then goes on to live for one week without producing any additional offspring. each replicated organism also replicates at the same rate. at hour one, there is one organism. at hour two, there are five more organisms. how many total organisms are there at hour seven? 2,801 19,531 19,607 97.655

The students in a class were asked how many siblings they have. the data obtained is represented in the dot plot. the number of students who have no siblings is . the number of students who have three or more siblings is .