Julisha poured 1.5 liters of water into an empty flask. She boiled the water for 20 minutes then measured the amount of water that remained. She found that 70% of the water remained in the flask. Measured in liters, how much water evaporated?

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y < 4x − 8 y is greater than or equal to negative 5 over 2 times x plus 5 part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points) part b: is the point (5, −8) included in the solution area for the system? justify your answer mathematically. (4 points)