Determine whether each number is rational or irrational and then drag the check mark to the appropriate box. Options: square root of 30
4/7
21 over the square root of 4
Phi 3.14 (but it’s the symbol)
-27

What is the length of bc ? enter your answer in the box.bc =

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.

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?