I need help and I dont get this at all

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at __ link to graph: .

Iwill give you ! what is the measure of ∠v ?