Which expressions are equivalent to 4^-3/4^-1

15 points ! ~ see if you know the answer to both you!

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)

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,