How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide? original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x a.0.18 liter b. 1.14 liters c. 1.92 liters d. 2.10 liters

Multiply. −2x(6 x 4 −7 x 2 +x−5) express the answer in standard form. enter your answer in the box.

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

If the average of x,y and z is 15 what is their sum