Achemist mixed x millimeters of 25% acid solution with some 15% acid solution to produce 100 millimeters of a 19% acid solution. use this information to fill in the missing information in the table and answer the questions that follow

With these: 18/36 = 1/? missing number change 1 5/8 to improper fraction. change 19/5 to a mixed number.

Consider a cube that has sides of length l. now consider putting the largest sphere you can inside this cube without any point on the sphere lying outside of the cube. the volume ratio -volume of the sphere/ volume of the cube is 1. 5.2 × 10−1 2. 3.8 × 10−1 3. 1.9 4. 2.5 × 10−1 5. 3.8

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?