Blueberry bushes are planted in a field in the year 2009. the blueberry bushes start to grow and cover the field in such a way that the area covered by the bushes doubles every year. if they continue to grow in this way, the field will be entirely covered with blueberry bushes by the year 2016. when will the field be covered 25% of the way? the field will be covered 25% of the way in 2015. the field will be covered 25% of the way in 2013. the field will be covered 25% of the way in 2014. the field will be covered 25% of the way in 2012.

An electronics manufacturer wants to know if customers would be interested in a detachable keyboard for their tables and if so, what the most important features would be. the manufacturer partners with an electronics store to include copies of the survey with every purchase at that store for one week. which of the following best explains why this random sample is unlikely to be a good representative sample of tablet owners' preferences for a detachable keyboard? a) one week is likely not enough time to get a large enough sample. b) most people won't bother to send in the survey, which is likely to skew the results c) there is no way to verify whether the responders to the survey actually own a tablet d) the survey is biased because it was conducted through an electronics store, not the general population

Find the slope of the line y =8/9x + 1.

∆red ≅ ∆ by rule will give brainiest if possible