HEY! PLEASE HELP ME WITH THIS MATH QUESTION! THE CORRECT ANSWER SHALL BE MARKED AS BRAINLIEST AND I WILL FOLLOW YOU (you will also get points) THANKS!!xoxo

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 is the slope of the line passing through the points (-5, 7) and (-3,5)?

Type the next three numbers in a sequence 80, 90, 85, 95, 90, 100, 95, 105