Someone help with this please you have to classify and construct the triangles​

With #! i’ve tried to figure it out but i can’t.

Question 101 points)which equation in slope-intercept form represents the line that passes through (5, 1) and(-4,7)

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics