I need equations from these 4, 2 points.

Write the equation below the represents the line passing through the point (-3, -1) negative one with a slope of 4

Ascatter plot with a trend line is shown below. which equation best represents the given data? y = x + 2 y = x + 5 y = 2x + 5

An engineer scale model shows a building that is 3 inches tall. if the scale is 1 inch = 600 feet, how tall is the actual building?