A chemist has 10 mL of a 20% salt solution. How many milliliters of water should she add to the solution to produce a 5% salt solution?

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

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The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =