What are the decimals 7.55, 7.8, 7.505, and 7.5531 in order from least to greatest

3. solve the given inequality and graph the solution on a number line.

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 a possible solutions of the x> 3?