Which line represents the direct variation equation y= 1/2x? line a
line d
line c
line b

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

Which statements about these triangles is true

15/16 as a decimal rounded to the nearest hundredth