On a coordinate plane, a line goes through (negative 3, negative 3) and (negative 1, 5). what is the equation of the line parallel to the given line with an x-intercept of 4?

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?

Average acceleration: i have no idea how to do this.

Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?