Which of the following describes A: Ratio
B: Equation
C: Inequality
D: Expression

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.

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Which table represents a linear function? i'll give brainliest to first answer ^'^