Is 4/10 and 8/20 proportional ?

The empire state building in new york city is 1454 feet tall a model of a building is 24 inches tall what is the ratio of the height of the model to the height of the actual empire state building

Given (1+cosx)/(sinx) + (sinx)/(1+cosx) =4, find a numerical value of one trigonometric function of x. a. tanx=2 b. sinx=2 c. tanx=1/2 d. sinx=1/2

What is the equation of the line that is parallel to the line with the equation y= -3/4x +1 and passes through the point (12,-12)