What is the length of ef in the right triangle below

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?

What is the equation of the line in point-slope form? y+ 4 = 1/2(x+4) y-4 = 1/2(x + 4) y-0 = 2(x - 4) y-4 = 2(8-0)

2/3(-6y+9x) expand each expression using the distributive property