If y varies inversely as the square of x, and y= 1/8 when x=1, find y when x=5

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

Given: m zade = 60° and m2cdf = (3x + 15) prove: x = 15

Aline passes through the points (5,4) and (2.1). part a.) what is the slope of the line that passes through these points? show work. part b.) what is the equation of the line that passes through these points. show work. part c.) where does the line intercept on the x& y axis? show work