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globally, the number of people with dementia is said to increase from 46.8m in 2015, to 131.5m in 2050- an increase of 281%. how many more people are likely to have dementia in 2050 compared to in 2015? what is the mean increase in predicted cases over this period?

Find percent notation for 0.008 0.008=

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.

I’ve been trying all day to figure this puzzle out. i need the work for it aswell. it is a factoring polynomials tarsia. the image is below.