Astudent estimated a mass to be 250g but upon carefully measuring it found the actual mass is 240g what is the percentage error

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)

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

The reflexive property of congruence lets you say that ∠pqr ≅