PLEASE HELP ME IT IS AN EMERGENCY When the original price and discounted prices are known, how can we find the percent markdown?

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)

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x

Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi