23. What is the value of x?

Find the sum of the measure of the interior angles of a polygon of 9 sides ; of 32 sides

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?

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