What type of angles are 4 and 5

Zahra was given two data sets, one without an outlier and one with an outlier. data without an outlier: 15, 19, 22, 26, 29 data with an outlier: 15, 19, 22, 26, 29, 81

Klmn and pqrs are similar trapezoids. which side of pqrs corresponds to lm

What is the y-intercept of the line with the equation 3x + 4y = 12?