From a sample n=36, the mean duration of a geysers eruption is 3.76 minutes and the standard deviation is 1.21 minutes using chebychevs theorem. determine at least how many of the eruptions lasted between 0.13 and 7.39 minutes

Can anyone me get through my algebra 2 class? the only class i need to graduate..

6. sarah saved $12.75 every week for a number of weeks, w. she received an additional $25 during the last week in which she saved money. write and solve an equation to find the number of weeks, w, for which sarah had saved money if she has $114.25 now.

Mr. chen is parking in a lot downtown. the graph shows the relationship between the time and the total cost of parking. evaluate the function for and input of 10.