When we solving a formula for a specific variable we must it

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.

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

Given that abcd is a rhombus, what is the value of x?