Problem 9.26 for mastering chemistry chapter 9?

What does 359AL refer to in an 18K marked 750 gold ring? What is the electron geometry for BF3? What is a c program to find the area and perimeter of circle? What is the area of rectangle with the length of 45 and the perimeter of 150? 2microgrrams equals how many mg? Real life example of a pentagonal prism? What is 35 divided by 0.1? How many Feet in a pound of aluminum? What is 919 divided by 4? What is the answer and work shown to 16 4w 2w - 2? What is three and one fourth minus one and seven eighths? What area of circle using diameter instead of radius? Does 7 go into 48? The average atomic mass of an element is the average of the atomic masses of its? How do you write 2 hundreds 4 tens 9 tenths 6 thousandths in decimals? What is the log of 42? How do you solve x plus 1 equals -6? How do you find the profit and loss in percentage? Why must you be 500 feet from a fire truck? What is 16 Points of 20 percent?