Sophie ruth is eating a 50-gram chocolate bar which contains 30% cocoa. how many grams of cocoa are in the chocolate bar?

In two or more complete sentences, formulate how to use technology to calculate the appropriate regression model for the given data. you are not required to find the model, just choose the appropriate regression and explain how to use the technology. (-5,,2.,0.8), (0,-0.5), (2,-1.3), (3,-0.8), (5,2)

Use sigma notation to represent the following series for 9 terms.

How do you write 0.5% as a fraction