Which is the best approximation for the measure

Match each statement with its corresponding value for the system below: y = -2(3)x and y = 9x - 2 1. the number of points of intersection. -2 2. the x-coordinate of the solution. 1 3. the y-coordinate of the solution. 0

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?