Chip work at the animal shelter for 6 hours each week for several weeks he worked for a total of 42 hours which of the following can be used to find the number of weeks shift work at the animal shelter?

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

Aculture started with 3000 bacteria. after 5 hours it grew to 3900 bacteria. predict how many bacteria will be present after 9 hours

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10