23% of what number is 36? (if you can show the work i would really appreciate it)

What is the rescursive formula for this geometric sequence? 7, -14, 28, -56

Rewrite the following without an exponent. (5/8)-1

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)