Solve the system of equations 3y + 2z = 12 and y – z= 9.

Taking algebra two apex courses and need with these questions

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth