Identify the square root of three as either rational or irrational, and approximate to the tenths place. : ≈ 1.7 irrational: ≈ 1.7 rational: ≈ 1.8 irrational: ≈ 1.8 rational

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)

The lengths of all sides of a triangle are integers when measured in decimeters. one of the sides has length of 1 dm and another of 3 dm. find the perimeter of the triangle.'

The anwser cause i do not understand just plez