I need the angle measures

Can you simplify 4/7? 24 points will be awarded!

What is the probability of rolling a single die greater than 4

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)