how many liters of a 25% salt solution must be added to 20 liters of a 12% solution to get a solution that is 20% salt?

Translate the following words into an expression: “the quotient of a number and three is five.”

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c = f