Write the equation in the line of point-slope form, y-y1=m(x-x1), given the slope and a point on the line: through (8,-8) and has a slope of 3/4

Ineed i do not understand i'm only 8

The art class is planning to paint a mural on an outside wall. this figure is a scale drawing of the wall. width: 11 in length: 28 in unit rate: 1.5 ft per in. write the ratio of the area of the drawing to the area of the actual mural. write your answer as a unit rate. show that this unit rate is equal to the square of the unit rate 1.5 ft per in

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?