How many solutions does this system have?
7. X = -2

Based on what i know about mean, this doesn't add up.

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

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)