Calvin takes piano lessons at a community music school lovated 3.7 miles directly north of the sports complex. What is the lemgth of a straight line between calvins house and music school round to the nearest tenth

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.

Complete the equation of the live through (-1,6) (7,-2)

What is the geometric mean of 3 and 7? a) square root of 21 b) 2 square root of 6 c) 2 square root of 7 d) 21