Lena has ridden 22 miles of a bike course. the course is 44miles long. what percentage of the course has lena ridden so far?

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.

Use the graph of the sine function y=2sinθ shown below

Witch represents the inverse of the function f(x)=1/4x-12