Which of the following systems is equivalent to the given system? 2/3 x - y = 2

x + 1/2 y = -3

2 x - 3 y = 6 and 2 x + y = -6
2 x - 3 y = 6 and 2 x + y = 6
6 x - 3 y = 6 and 2 x + y = 10

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.

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

When the ball has traveled a distance of