A 20% acid solution is mixed with a 70% acid solution to get 100 liters of a 50% solution. If x= the amount of 20% solution and y = the amount of 70% solution, which of the following expressions equals 500?
0.2x+0.7y
20x + 70y
2x+7y

Find the area of the unshaded square

Question 10 of 211 pointuse the elimination method to solve the system of equations. choose thecorrect ordered pair.10x +2y = 643x - 4y = -36a. (4,12)b. (-3, 11)c. (2,10)d. (-5, 8)

The volume, v, of a rectangular prism is determined using the formula, where / is the length, w is the width, and his theheight of the prism. carltren solves for w and writes the equivalent equation w=using this formula, what is the width of a rectangular prism that has a volume of 138.24 cubic inches, a height of 9.6 inches, and a length of 3.2 inches?