When population standard deviation is known, what information is NOT necessary to construct the CI? Pls click the picture for multiple choice

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 0.18 liter 1.14 liters 1.92 liters 2.10 liters

Mia’s gross pay is 2953 her deductions total 724.15 what percent if her gross pay is take-home pay

If jklm is a trapezoid, which statements must be true?