Solve the system by graphing {3x+3y=24. 2x+y=12

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.

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

The distance between two points is 6.5cm and scale of map is 1: 1000 what's the distance between the two points