The question is, "Enter an equation in the form y=mx + b that represents the function described by the graph." Can I get some help please? :)

Write the equation in logarithmic form e^x=403.429

In the diagram, a building cast a 35-ft shadow and a flagpole casts an 8-ft shadow. if the the flagpole is 18 ft tall, how tall is the building? round the the nearest tenth.

Write the point-slope form of an equation of the line through the points (-2, -3) and (-7, 4).