Asanji wants to make 10 qt. of a 40% alcohol solution by mixing together a 50% alcohol solution and pure water. How much of each solution must he use?

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 23 = 10x a. -1.93, 11.93 b. 1.93, -11.93 c. 1.93, 11.93 d. -1.93, -11.93

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?